People enjoy the sunny weather in Greenwich Park, with Canary Wharf financial district in the background, in London, Britain, August 7, 2020. REUTERS/John Sibley

A man enjoys the sunny weather in Greenwich Park, with Canary Wharf financial district in the background, in London, Britain, August 7, 2020. REUTERS/John Sibley

A man jumps to the water as people enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

A man jumps to the water as people enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

A man jumps to the water as people enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the beach, near the remains of Brighton West Pier, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

A person jumps to the water as people enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy a sunny day at the lake Starnberg in Percha, Germany, August 7, 2020. REUTERS/Michael Dalder

People enjoy a sunny day at the lake Starnberg in Percha, Germany, August 7, 2020. REUTERS/Michael Dalder

People enjoy a sunny day at the lake Starnberg in Percha, Germany, August 7, 2020. REUTERS/Michael Dalder

People enjoy a sunny day at the lake Starnberg in Percha, Germany, August 7, 2020. REUTERS/Michael Dalder

A person jumps to the water as people enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy a sunny day at the lake Starnberg in Percha, Germany, August 7, 2020. REUTERS/Michael Dalder

People enjoy a sunny day at the lake Starnberg in Percha, Germany, August 7, 2020. REUTERS/Michael Dalder

People enjoy the sunny weather, near the remains of Brighton West Pier, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the Brighton Beach, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain, August 7, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain, August 7, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain, August 7, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain, August 7, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain, August 7, 2020. REUTERS/Toby Melville

The remains of Brighton West and people enjoying the sunny weather at the beach are pictured through windows, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

Birds are seen as people enjoy the sunny weather at the beach, near the remains of Brighton West Pier, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the beach, near the Brighton Palace Pier, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the beach, near the remains of Brighton West Pier, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

People enjoy the sunny weather at the beach, near the Brighton Palace Pier, amid the coronavirus disease (COVID-19) outbreak, in Brighton, Britain, August 7, 2020. REUTERS/Peter Cziborra

Dogs look out of a window as cars queue in front of Zurich Zoo, as the spread of the coronavirus disease (COVID-19) continues, during sunny summer weather in Zurich, Switzerland August 5, 2020. REUTERS/Arnd Wiegmann

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

Youth enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People relax as they enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People relax as they enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

A man sunbathes lying on a motorbike as people enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

A man sunbathes lying on a motorbike as people enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

Children eat ice crem as they enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville TPX IMAGES OF THE DAY

A man enjoys the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

A child jumps on a trampoline as he enjoys the sunny weather at the Brighton Palace Pier, in Brighton, Britain July 31, 2020. REUTERS/Paul Childs TPX IMAGES OF THE DAY

People wearing protective face masks ride a roller coaster as they enjoy the sunny weather at the Brighton Palace Pier, in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People wearing protective face masks ride a roller coaster as they enjoy the sunny weather at the Brighton Palace Pier, in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People ride on jet skis as they enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People look out at the beach as they enjoy the sunny weather at the Brighton Pier, in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People enjoy the sunny weather at the Bournemouth Beach, amid the coronavirus disease (COVID-19) outbreak, in Bournemouth, Britain July 31, 2020. REUTERS/Toby Melville

People enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People play basketball as they enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

People enjoy the sunny weather at a beach in Brighton, Britain July 31, 2020. REUTERS/Paul Childs

Deck-chairs stand on the shore of the lake Steinsee during a hot, sunny day in Germany, July 31, 2020. REUTERS/Michael Dalder

Boats cruise on lake Tegernsee during a hot, sunny day in Germany, July 31, 2020. REUTERS/Michael Dalder

Boats cruise on lake Tegernsee during a hot, sunny day in Germany, July 31, 2020. REUTERS/Michael Dalder

Deck-chairs stand on the shore of the lake Steinsee during a hot, sunny day in Germany, July 31, 2020. REUTERS/Michael Dalder

A field of sunflowers is seen during a hot, sunny day near the lake Steinsee in Niederseeon, Germany, July 31, 2020. REUTERS/Michael Dalder

A field of sunflowers is seen during a hot, sunny day near the lake Steinsee in Niederseeon, Germany, July 31, 2020. REUTERS/Michael Dalder

A field of sunflowers is seen during a hot, sunny day near the lake Steinsee in Niederseeon, Germany, July 31, 2020. REUTERS/Michael Dalder