Soldiers walk inside World Trade Center Metro Manila, an exhibition center temporarily turned into a quarantine facility for coronavirus disease (COVID-19) patients in Manila, Philippines, April 13, 2020. REUTERS/Eloisa Lopez

Workers walk inside World Trade Center Metro Manila, an exhibition center temporarily turned into a quarantine facility for coronavirus disease (COVID-19) patients in Manila, Philippines, April 13, 2020. REUTERS/Eloisa Lopez

Patrons view an exhibit on the September 11th attacks, including the television transmission antenna from the World Trade Center’s North Tower, as they visit the Newseum during its last week of operation before closing the museum, dedicated to news gathering and the First Amendment, in Washington, U.S. December 26, 2019. According to the Newseum website, they will close at the end of 2019 and place many of their artifacts in storage because “remaining in the current location has proved to be financially unsustainable.” REUTERS/Jonathan Ernst

Zhenmeat mooncakes, made of plant-based meat, are displayed for tasting at a trade exhibition ahead of the Mid-Autumn Festival in Beijing, China September 11, 2019. Picture taken September 11, 2019. REUTERS/Pei Li

Russia's Industry and Trade Minister Denis Manturov delivers a speech during the opening ceremony of the International military-technical forum ARMY-2019 at Patriot Congress and Exhibition Centre in Moscow Region, Russia June 25, 2019. REUTERS/Maxim Shemetov

Russia's Industry and Trade Minister Denis Manturov and Rostec CEO Sergei Chemezov attend the opening ceremony of the International military-technical forum ARMY-2019 at Patriot Congress and Exhibition Centre in Moscow Region, Russia June 25, 2019. REUTERS/Maxim Shemetov

Russia's Defence Minister Sergei Shoigu and Industry and Trade Minister Denis Manturov attend the opening ceremony of the International military-technical forum ARMY-2019 at Patriot Congress and Exhibition Centre in Moscow Region, Russia June 25, 2019. REUTERS/Maxim Shemetov

French President Emmanuel Macron and Senate President Gerard Larcher attend an exhibition as they arrive for a ceremony at the Luxembourg Gardens to mark the abolition of slavery and to pay tribute to the victims of the slave trade, in Paris, France, May 10, 2019. REUTERS/Philippe Wojazer

French President Emmanuel Macron and Senate President Gerard Larcher visit an exhibition as they attend a ceremony at the Luxembourg Gardens to mark the abolition of slavery and to pay tribute to the victims of the slave trade, in Paris, France, May 10, 2019. REUTERS/Philippe Wojazer

German Chancellor Angela Merkel smiles during her visit at an exhibition booth at the ZDH International Trade Fair in Munich, Germany, March 15, 2019. REUTERS/Michael Dalder

German Chancellor Angela Merkel looks at a wood planer during her visit at an exhibition booth at the ZDH International Trade Fair in Munich, Germany, March 15, 2019. REUTERS/Michael Dalder

German Chancellor Angela Merkel uses a wood planer during her visit at an exhibition booth at the ZDH International Trade Fair in Munich, Germany, March 15, 2019. REUTERS/Michael Dalder

German Chancellor Angela Merkel uses a wood planer during her visit at an exhibition booth at the ZDH International Trade Fair in Munich, Germany, March 15, 2019. REUTERS/Michael Dalder

German Chancellor Angela Merkel looks at a wood planer during her visit at an exhibition booth at the ZDH International Trade Fair in Munich, Germany, March 15, 2019. REUTERS/Michael Dalder

A 1959 MGA Roadster transformed into a zero-emissions 100kW-strong (136 HP) electrical car, with the range of 150 km and a price of 150,000 euros (about 170,000 US dollars), is pictured at the E-World Energy & Water annual trade fair and exhibition in Essen, Germany, February 5, 2019. REUTERS/Wolfgang Rattay

A 1959 MGA Roadster transformed into a zero-emissions 100kW-strong (136 HP) electrical car, with the range of 150 km and a price of 150,000 euros (about 170,000 US dollars), is pictured at the E-World Energy & Water annual trade fair and exhibition in Essen, Germany, February 5, 2019. REUTERS/Wolfgang Rattay

A 1959 MGA Roadster transformed into a zero-emissions 100kW-strong (136 HP) electrical car, with the range of 150 km and a price of 150,000 euros (about 170,000 US dollars), is pictured at the E-World Energy & Water annual trade fair and exhibition in Essen, Germany, February 5, 2019. REUTERS/Wolfgang Rattay

Britain's International Trade Secretary Liam Fox is interviewed by Reuters at the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018. REUTERS/Aly Song

Britain's International Trade Secretary Liam Fox is interviewed by Reuters at the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018. REUTERS/Aly Song

FILE PHOTO: Thomas Martenak (R), international crude marketing manager for U.S. major ExxonMobil, talks to a visitor at the ExxonMobil booth during the China (Dongying) International Petrochemical Trade Exhibition in Dongying, Shandong province, China May 30, 2018. REUTERS/Chen Aizhu/File Photo

Archbishop of Genoa, Cardinal Angelo Bagnasco, blesses the coffin during the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini TPX IMAGES OF THE DAY

Archbishop of Genoa, Cardinal Angelo Bagnasco, embraces a relative of a victim at the end of the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Italian Prime Minister Giuseppe Conte and Archbishop of Genoa, Cardinal Angelo Bagnasco, are seen at the end of the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Archbishop of Genoa, Cardinal Angelo Bagnasco, blesses the coffin during the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

People attend the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People attend the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

Italian President Sergio Mattarella is seen before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

Italian President Sergio Mattarella is seen before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

Italian President Sergio Mattarella is seen before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

A relative touches the coffin during the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Archbishop of Genoa, Cardinal Angelo Bagnasco, is seen during the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa Italy August 18, 2018. REUTERS/Massimo Pinca

Archbishop of Genoa, Cardinal Angelo Bagnasco, is seen during the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa Italy August 18, 2018. REUTERS/Massimo Pinca

Archbishop of Genoa, Cardinal Angelo Bagnasco, blesses the statue of Virgin Mary during the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa Italy August 18, 2018. REUTERS/Stefano Rellandini

Archbishop of Genoa, Cardinal Angelo Bagnasco, arrives before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Archbishop of Genoa, Cardinal Angelo Bagnasco, arrives before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Italian President Sergio Mattarella is seen before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

Italian President Sergio Mattarella is seen before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Italian President Sergio Mattarella is seen before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Italian President Sergio Mattarella embraces a relative of one of the victims before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Italian Minister of Labor and Industry Luigi Di Maio arrives before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Italian Interior Minister Matteo Salvini arrives before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Archbishop of Genoa, Cardinal Angelo Bagnasco, arrives before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

Firefighters arrive to pay their respects to the victims of the Morandi Bridge collapse, before the state funeral at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

Firefighters arrive to pay their respects to the victims of the Morandi Bridge collapse, before the state funeral at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

Firefighters arrive to pay their respects to the victims of the Morandi Bridge collapse, before the state funeral at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini TPX IMAGES OF THE DAY

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People arrive to attend the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

A person cleans the coffin before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

A person cleans the coffin before the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Stefano Rellandini

People gather to attend the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People gather to attend the state funeral of the victims of the Morandi Bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

People mourn next to the coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 18, 2018. REUTERS/Massimo Pinca

A man carries a wreath to place it next to coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 17, 2018. REUTERS/Massimo Pinca

A man carries a wreath to place it next to coffins containing bodies of victims of the Genoa bridge collapse, at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 17, 2018. REUTERS/Massimo Pinca

A priest stands next to coffins containing bodies of victims of the Genoa bridge collapse at the Genoa Trade Fair and Exhibition Centre in Genoa, Italy August 17, 2018. REUTERS/Massimo Pinca