Candidates of the London mayoral election stand socially distanced apart as they wait for the results at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Polish IT specialist Przemyslaw Rowinski speaks about his mortgage in Swiss francs during an interview at his apartment in Warsaw, Poland May 6, 2021. Picture taken May 6, 2021. REUTERS/Kacper Pempel

Polish IT specialist Przemyslaw Rowinski speaks about his mortgage in Swiss francs during an interview at his apartment in Warsaw, Poland May 6, 2021. Picture taken May 6, 2021. REUTERS/Kacper Pempel

New apartments are seen under construction while building material supplies are in high demand near downtown Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

New apartments are seen under construction while building material supplies are in high demand near downtown Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

New apartments are seen under construction while building material supplies are in high demand near downtown Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

New apartments are seen under construction while building material supplies are in high demand in downtown Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

New apartments are seen under construction while building material supplies are in high demand near downtown Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

New apartments are seen under construction while building material supplies are in high demand in downtown Tampa, Florida, U.S., May 5, 2021. REUTERS/Octavio Jones

The former parking lot and the main building are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The control tower is seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

A general view of the terminal C and the tarmac during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The airport tarmac of the landing zone is seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

A general view of the terminal C and the tarmac during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

A general view of the terminal C and the control tower from the tarmac during the media tour at the former Berlin Tegel airport, as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The control tower, the main building and a passenger docking passage are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

A general view of the main building and the control tower from the tarmac during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The access road to the main building and the control tower are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

A general view of the main building and the control tower from the tarmac during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The former parking lot in the airport center is seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The former parking lot in the airport center is seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The former parking lot and the main building are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The former parking lot, the main building and the tower are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The access road to the main building and the control tower are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The former parking lot, the main building and the control tower are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The main building and the control tower are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The main building and the Control Tower are seen during the media tour at the former Berlin Tegel airport, as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

The main building and the control tower are seen during the media tour at the former Berlin Tegel airport as the city's authorities are planning to build there more than 5,000 apartments, in Berlin, Germany May 4, 2021. Picture taken May 4, 2021. REUTERS/Michele Tantussi

World War Two veteran Pavel Zakharchenko, aged 97, receives congratulations from honour guards on the upcoming Victory Day, which marks the anniversary of the victory over Nazi Germany, inside an apartment block in Stavropol, Russia May 4, 2021. REUTERS/Eduard Korniyenko

World War Two veteran Anatoly Petrov, aged 93, watches a concert out of his apartment window as he receives congratulations from members of the military-historical society "Krepost" (Fortress) on the upcoming Victory Day, which marks the anniversary of the victory over Nazi Germany, in Tomsk, Russia May 4, 2021. REUTERS/Taisiya Vorontsova

World War Two veteran Anatoly Petrov, aged 93, watches a concert out of his apartment window as he receives congratulations from members of the military-historical society "Krepost" (Fortress) on the upcoming Victory Day, which marks the anniversary of the victory over Nazi Germany, in Tomsk, Russia May 4, 2021. REUTERS/Taisiya Vorontsova

Spectators seat spaced apart following Churchill Downs restrictions due to the coronavirus disease (COVID-19) pandemic on the day of the 147th Kentucky Derby in Louisville, Kentucky, U.S. May 1, 2021. REUTERS/Amira Karaoud

A vacated apartment building due to be demolished to make way for a condominium to be built on the site stands in midtown Toronto, Ontario, Canada May 1, 2021. REUTERS/Chris Helgren

A vacated apartment building due to be demolished to make way for a condominium to be built on the site stands in midtown Toronto, Ontario, Canada May 1, 2021. REUTERS/Chris Helgren

A vacated apartment building due to be demolished to make way for a condominium to be built on the site stands in midtown Toronto, Ontario, Canada May 1, 2021. REUTERS/Chris Helgren

A person works in a newly built apartment at a residential park in Budapest, Hungary, April 28, 2021. Picture taken April 28, 2021. REUTERS/Bernadett Szabo

A person works in a newly built apartment at a residential in Budapest, Hungary, April 28, 2021. Picture taken April 28, 2021. REUTERS/Bernadett Szabo

Andrew Giuliani, son of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, exits Rudy Giuliani's apartment in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Andrew Giuliani, son of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, exits Rudy Giuliani's apartment in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

The entrance to the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, is seen in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

Andrew Giuliani, son of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, addresses the media outside Rudy Giuliani's apartment in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Andrew Giuliani, son of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, addresses the media outside Rudy Giuliani's apartment in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Andrew Giuliani, son of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, addresses the media outside Rudy Giuliani's apartment in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Andrew Giuliani, son of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, addresses the media outside Rudy Giuliani's apartment in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

An officer from the New York Police Department (NYPD) places barricades outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

An officer from the New York Police Department (NYPD) places barricades outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

Officers from the New York Police Department (NYPD) place barricades outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

An officer from the New York Police Department (NYPD) is seen in the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

An officer from the New York Police Department (NYPD) exits the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

An officer from the New York Police Department (NYPD) enters the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Officers from the New York Police Department (NYPD) exit the apartment building of former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly TPX IMAGES OF THE DAY

Officers from the New York Police Department (NYPD) are seen exiting the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Members of the media are seen outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

Members of the media are seen outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

The apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, is seen in Manhattan, New York City, New York, U.S. April 28, 2021. REUTERS/Andrew Kelly

The entrance to the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, is seen in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

The entrance to the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

The entrance to the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

Members of the media are seen outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly

Members of the media are seen outside the apartment building of Former New York City Mayor Rudy Giuliani, personal attorney to U.S. President Donald Trump, in Manhattan, New York City, New York, U.S., April 28, 2021. REUTERS/Andrew Kelly