A single aircraft is pictured next to the Television tower, as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, April 23, 2020. REUTERS/Fabrizio Bensch 

Smoke rises from a coke factory in the village of Lukavac near Tuzla, Bosnia, October 30, 2018. REUTERS/Marko Djurica 

Smoke rises from a coke factory in the village of Lukavac near Tuzla, Bosnia, October 30, 2018. REUTERS/Marko Djurica 

Smoke rises from a coke factory in the village of Lukavac near Tuzla, Bosnia, October 30, 2018. REUTERS/Marko Djurica 

Smoke rises from a coke factory in the village of Lukavac near Tuzla, Bosnia, October 30, 2018. REUTERS/Marko Djurica 

A person carrying an umbrella walks past Westminster Abbey as it is bathed in sunlight during a break in rain showers in central London, Britain, December 3, 2018. REUTERS/Henry Nicholls 

Downed power lines and debris are seen along Mulholland Highway in the aftermath of the Woolsey fire in Malibu, Southern California, U.S. November 11, 2018. REUTERS/Mario Anzuoni 

Debris are seen behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero Triangle" in the capital of Cairo, Egypt, September 13, 2018. Picture taken September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A labourer washes his face at a slum being demolished behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero Triangle" in Cairo, Egypt, September 13, 2018. Picture taken September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A general view of a government-demolished slum behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero Triangle" in Cairo, Egypt, September 13, 2018. Picture taken September 13, 2018. REUTERS/Amr Abdallah Dalsh 

The Egyptian Radio and Television Union (ERTU) headquarters, along with banks, hotels, office and residential buildings, is seen in the so-called "Maspero Triangle" in Cairo, Egypt, September 13, 2018. Picture taken September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A general view of a government-demolished slum behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero Triangle" in Cairo, Egypt, September 13, 2018. Picture taken September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A digger is seen as a slum is demolished, behind the Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero Triangle" in Cairo, Egypt, September 13, 2018. Picture taken September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A laborer washes his face at a slum being demolished behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero triangle" area in the capital of Cairo, Egypt, September 13, 2018. REUTERS/Amr Abdallah Dalsh 

Debris is seen at a slum being demolished behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero triangle" area in the capital of Cairo, Egypt, September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A laborer carries stones at a slum being demolished behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero triangle" area in the capital of Cairo, Egypt, September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A digger is seen at a slum being demolished, behind Egyptian Radio and Television Union (ERTU) headquarters in the so-called "Maspero triangle" area in the capital of Cairo, Egypt, September 13, 2018. REUTERS/Amr Abdallah Dalsh 

A general view of a government-demolished slum behind Egyptian Radio and Television Union (ERTU) headquarters (R) in the so-called "Maspero triangle" area in the capital of Cairo, Egypt, September 13, 2018. REUTERS/Amr Abdallah Dalsh 

Mobile telecom transmitter relays and antenna are seen on the roof of a building in Bordeaux, France, June 19, 2018. REUTERS/Regis Duvignau 

Mobile telecom transmitter relays and antenna are seen on the roof of a building in Bordeaux, France, June 19, 2018. REUTERS/Regis Duvignau 

A black-winged stilt walks as the RT-70 radio telescope is reflected in the Galgasskoye lake near the village of Molochnoye, Crimea May 22, 2018. REUTERS/Pavel Rebrov 

A tv antenna is seen on the rooftops of residential buildings in front of the Sacre Coeur Basilica in Paris, France, March 13, 2018. REUTERS/Charles Platiau 

Snow covered transmitting antennas are pictured on top of the highest German mountain, the Zugspitze, in Garmisch-Partenkirchen, Germany February 28, 2018. REUTERS/Michaela Rehle 

A sound engineer works during a broadcast at "Studio B" radio station in Belgrade, Serbia, April 11, 2017. Picture taken on April 11, 2017. REUTERS/Djordje Kojadinovic 

Transmitting antennas are seen on a mobile-phone network relay mast during sunset near Strasbourg, France, April 4, 2017. Picture taken April 4, 2017. REUTERS/Christian Hartmann 

Transmitting antennas are seen on a mobile-phone network relay mast during sunset near Strasbourg, France, April 4, 2017. Picture taken April 4, 2017. REUTERS/Christian Hartmann 

Transmitting antennas are seen on a mobile-phone network relay mast during sunset near Strasbourg, France, April 4, 2017. Picture taken April 4, 2017. REUTERS/Christian Hartmann 

Transmitting antennas are seen on a mobile-phone network relay mast during sunset near Strasbourg, France, April 4, 2017. Picture taken April 4, 2017. REUTERS/Christian Hartmann 

Transmitting antennas are seen on a mobile-phone network relay mast during sunset near Strasbourg, France, April 4, 2017. Picture taken April 4, 2017. REUTERS/Christian Hartmann 

A view of China Central Radio and Television Tower during Earth Hour in Beijing, China March 25, 2017. REUTERS/Jason Lee 

The China Central Radio and Television Tower is pictured before Earth Hour in Beijing, China March 25, 2017. REUTERS/Jason Lee 

A combination photo shows a view of China Central Radio and Television Tower before (top) and during Earth Hour in Beijing, China March 25, 2017. REUTERS/Jason Lee 

Cast members (rear L-R) Porsha Williams, Matt Iseman, Kyle Richards, Ricky Williams, Carrie Keagan, (front L-R) Nicole Polizzi, Brooke Burke-Charvet, Tyra Banks, host Arnold Schwarzenegger, Patrick Knapp Schwarzenegger, Laila Ali, and Jon Lovitz participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast members (rear L-R) Porsha Williams, Matt Iseman, Kyle Richards, Ricky Williams, Carrie Keagan, (front L-R) Nicole Polizzi, Brooke Burke-Charvet, Tyra Banks, host Arnold Schwarzenegger, Patrick Knapp Schwarzenegger, Laila Ali, and Jon Lovitz participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Host Arnold Schwarzenegger (4th L) and cast members (L-R) Nicole Polizzi, Brooke Burke-Charvet, Tyra Banks, Ricky Williams, and Patrick Knapp Schwarzenegger participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Nicole Polizzi poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Nicole Polizzi poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Carrie Keagan poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Carrie Keagan poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Carrie Keagan poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Tyra Banks poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Tyra Banks poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Porsha Williams poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Cast member Porsha Williams poses after a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Host Arnold Schwarzenegger (R) and Tyra Banks participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok TPX IMAGES OF THE DAY 

Host Arnold Schwarzenegger (R) and Tyra Banks participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Model Tyra Banks participates in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Host Arnold Schwarzenegger (R) and Tyra Banks participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Host Arnold Schwarzenegger (R), Tyra Banks (C) and Brooke Burke-Charvet (L) participate in a panel for "The New Celebrity Apprentice" in Universal City, California, December 9, 2016. REUTERS/Danny Moloshok 

Television personality Gayle King speaks to the media as she arrives for the Kennedy Center Honors in Washington, U.S. December 4, 2016. REUTERS/Joshua Roberts 

Claudia Winkleman and Tom Daley pose at the ball for Britain's Olympic and Paralympic teams at Battersea Park in London, Britain, November 30, 2016. REUTERS/Hannah McKay 

Claudia Winkleman and Tom Daley pose at the ball for Britain's Olympic and Paralympic teams at Battersea Park in London, Britain, November 30, 2016. REUTERS/Hannah McKay 

Claudia Winkleman and Tom Daley pose at the ball for Britain's Olympic and Paralympic teams at Battersea Park in London, Britain, November 30, 2016. REUTERS/Hannah McKay 

BBC presenter Clare Balding poses during a photocall before the gala dinner for the launching of the Pirelli Calendar 2017 in Saint-Denis, near Paris, France, November 29, 2016. REUTERS/Charles Platiau 

BBC presenter Clare Balding attends a photocall for launching of the Pirelli Calendar 2017 in Paris, France, November 29, 2016. REUTERS/Charles Platiau 

French politician Alain Juppe attends the third prime-time televised debate as he campaigns in the second round for the French center-right presidential primary election in Paris, France, November 24, 2016. REUTERS/Eric Feferberg/Pool

French politician Francois Fillon attends the third prime-time televised debate as he campaigns in the second round for the French center-right presidential primary election in Paris, France, November 24, 2016. REUTERS/Eric Feferberg/Pool

French politicians Alain Juppe (R) and Francois Fillon are seen on stage as they attend the third prime-time televised debate as they campaign in the second round for the French center-right presidential primary election in Paris, France, November 24, 2016. REUTERS/Eric Feferberg/Pool

French politicians Alain Juppe (R) and Francois Fillon are seen on stage as they attend the third prime-time televised debate as they campaign in the second round for the French center-right presidential primary election in Paris, France, November 24, 2016. REUTERS/Eric Feferberg/Pool

French politicians Alain Juppe (R) and Francois Fillon shake hands as they arrive to attend the third prime-time televised debate as they campaign in the second round for the French center-right presidential primary election in Paris, France, November 24, 2016. REUTERS/Eric Feferberg/Pool