An aerial view of the deserted avenue le Corbusier bridge, during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19), in Lille, France March 31, 2020. Picture taken with a drone. REUTERS/Pascal Rossignol 

An aerial view of the deserted avenue le Corbusier bridge, during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19), in Lille, France March 31, 2020. Picture taken with a drone. REUTERS/Pascal Rossignol 

An aerial view of the deserted avenue le Corbusier bridge, during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19), in Lille, France March 31, 2020. Picture taken with a drone REUTERS/Pascal Rossignol 

People stand in front of the renovated and re-opened Pavillon Le Corbusier museum, which was designed by late architect Le Corbusier (1887-1965) as his only building made of steel and glass and built by Zurich citizen Heidi Weber in 1967, in Zurich, Switzerland May 23, 2019. REUTERS/Arnd Wiegmann 

A man walks past the renovated and re-opened Pavillon Le Corbusier museum, which was designed by late architect Le Corbusier (1887-1965) as his only building made of steel and glass and built by Zurich citizen Heidi Weber in 1967, in Zurich, Switzerland May 23, 2019. REUTERS/Arnd Wiegmann 

Two women walk past the renovated and re-opened Pavillon Le Corbusier museum, which was designed by late architect Le Corbusier (1887-1965) as his only building made of steel and glass and built by Zurich citizen Heidi Weber in 1967, in Zurich, Switzerland May 23, 2019. REUTERS/Arnd Wiegmann 

A woman walks past the renovated and re-opened Pavillon Le Corbusier museum, which was designed by late architect Le Corbusier (1887-1965) as his only building made of steel and glass and built by Zurich citizen Heidi Weber in 1967, in Zurich, Switzerland May 23, 2019. REUTERS/Arnd Wiegmann 

A view shows the entrance of the Centre Pompidou modern art museum, also known as Beaubourg with a poster showing French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) to announce the exhibit "Le Corbusier: The measures of man" in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A view shows the entrance of the Centre Pompidou modern art museum, also known as Beaubourg with a poster showing French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) to announce the exhibit "Le Corbusier: The measures of man" in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A view shows the entrance of the Centre Pompidou Modern Art Museum, also known as Beaubourg with a poster showing French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) to announce the exhibit "Le Corbusier: The measures of man" in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman films creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman films a painting by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman shoots creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A creation by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) is displayed during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman films creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

Creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) are displayed during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman films creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman films creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A cameraman shoots a painting by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

Creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) are displayed during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

A journalist looks at creations by French architect Le Corbusier (Charles-Edouard Jeanneret, 1887-1965) during a press preview of "Le Corbusier: The measures of man" exhibit at the Centre Pompidou modern art museum, also known as Beaubourg, in Paris, France, April 27, 2015. The exhibition will run from April 29 to August 3, 2015. REUTERS/Benoit Tessier 

Visitors walk past a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

A visitor points as he walks past a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

A visitor gestures as he walks past a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

Visitors are reflected as they walk past a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TPX IMAGES OF THE DAY) 

Visitors are reflected in a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

A visitor walks past a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

Visitors walk on a creation by French artist Daniel Buren as part of his exhibition "Defini Fini Infini, Travaux in situ" at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

A visitor takes a picture as she walks on a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

A visitor takes a picture as she walks on a creation as part of the exhibition "Defini Fini Infini, Travaux in situ" by French artist Daniel Buren at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY) 

A visitor walks on a creation by French artist Daniel Buren as part of his exhibition "Defini Fini Infini, Travaux in situ" at the MaMo art center in Marseille September 12, 2014. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The exhibition will run until September 30, 2014. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TPX IMAGES OF THE DAY) 

General view of the Cite Radieuse building designed by French architect Le Corbusier in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The inaugural exhibition "Architectones" is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

General view of the Cite Radieuse building designed by French architect Le Corbusier in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The inaugural exhibition "Architectones" is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

General view of the Cite Radieuse building designed by French architect Le Corbusier in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. The inaugural exhibition "Architectones" is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

The sculpture 'Le Mobile' by French artist Xavier Veilhan is displayed during the exhibition "Architectones" at the MaMo art center in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. This inaugural exhibition is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

Visitors walk past the sculpture 'Le Corbusier (Bust)' by French artist Xavier Veilhan part of the exhibition "Architectones" at the MaMo art center in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. This inaugural exhibition is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

Visitors walk past the sculpture 'Le Corbusier (Bust)' by French artist Xavier Veilhan part of the exhibition "Architectones" at the MaMo art center in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. This inaugural exhibition is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

Visitors look at the sculpture 'Le Mobile' by French artist Xavier Veilhan part of the exhibition "Architectones" at the MaMo art center in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. This inaugural exhibition is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

A visitor walks past the sculpture 'Le Corbusier (Bust)' by French artist Xavier Veilhan part of the exhibition "Architectones" at the MaMo art center in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. This inaugural exhibition is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL) 

Visitors walk past the sculpture 'Le Corbusier (Bust)' by French artist Xavier Veilhan part of the exhibition "Architectones" at the MaMo art center in Marseille June 12, 2013. The MaMo contemporary art center is installed on the restored rooftop terrace of Le Corbusier's 1947 Cite Radieuse (Radiant City) and created by French designer Ora-Ito. This inaugural exhibition is part of Marseille’s 2013 Capital of Culture. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT SOCIETY TRAVEL TPX IMAGES OF THE DAY) 

Firemen gather the day after a fire which destroyed eight flats at the Cite Radieuse (The Radiant City) building designed by the French architect Le Corbusier's in Marseille, February 10, 2012. The building is classified as an historical building. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: DISASTER SOCIETY) 

Firemen gather the day after a fire which destroyed eight flats at the Cite Radieuse (The Radiant City) building designed by the French architect Le Corbusier's in Marseille, February 10, 2012. The building is classified as an historical building. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: DISASTER SOCIETY) 

Residents and firemen gather the day after a fire which destroyed eight flats at the Cite Radieuse (The Radiant City) building designed by the French architect Le Corbusier's in Marseille, February 10, 2012. The building is classified as an historical building. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: DISASTER SOCIETY) 

Firemen roll up hoses the day after a fire which destroyed eight flats at the Cite Radieuse (The Radiant City) building designed by the French architect Le Corbusier's in Marseille, February 10, 2012. The building is classified as an historical building. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: DISASTER SOCIETY) 

Residents who were evacuated from the Cite Radieuse (The Radiant City) building designed by French architect Le Corbusier gather after a fire which destroyed eight flats in Marseille, February 10, 2012. The building is classified as an historical building. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: DISASTER SOCIETY) 

Firemen talk with residents evacuated from the Cite Radieuse (The Radiant City) building designed by French architect Le Corbusier after a fire which destroyed eight flats in Marseille, February 10, 2012. The building is classified as an historical building. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: DISASTER SOCIETY) 

Gianluca Armento (2L) Brand Division director of Cassina inspects a counterfeit Le Corbusier chair before its destruction in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS) 

A Swiss customs officer prepare counterfeit Le Corbusier furniture before their destruction in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS) 

Gianluca Armento, Brand Division director of Cassina (R) takes a picture of a counterfeit Le Corbusier chair before its destruction in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS) 

A crawler crane destroys counterfeit Le Corbusier furniture in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS) 

A crawler crane destroys counterfeit Le Corbusier furniture in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS) 

A crawler crane destroys counterfeit Le Corbusier furniture in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS) 

A crawler crane destroys counterfeit Le Corbusier furniture in Vernier near Geneva May 11, 2011. The destruction was requested by the Italian furniture maker Cassina, who holds the exclusive rights for making the Swiss architects designs. The 13 deck chairs, nine chairs and two sofas, were seized last March in Geneva in a container arriving from China. Their retail value, if they were originals, would have been CHF 100,000 (US$ 113,000). REUTERS/Denis Balibouse (SWITZERLAND - Tags: ENTERTAINMENT CRIME LAW BUSINESS)