A man and a member of staff are seen at a rental station at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A woman picks up rental skis and boots at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A member of staff wearing a protective face shield collects skis at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A member of staff collects snowboards at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A hand sanitiser is seen at a measuring station at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A person wearing a protective mask skis at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A person snowboards at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A person wearing a protective mask skis at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

Members of the public wearing protective masks are seen at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A member of staff sanitises boots at the indoor ski slope "Chill Factore", amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain August 17, 2020. REUTERS/Molly Darlington

A psychologist talks to a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

A psychologist talks to a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

A physiotherapist massages a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

A psychologist talks to a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

A physiotherapist massages a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

A physiotherapist massages a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

A physiotherapist massages a member of the medical personnel in the chill-out area of the CHU de Liege hospital, amid the coronavirus disease (COVID-19) outbreak, in Liege, Belgium May 6, 2020. REUTERS/Yves Herman

Fresh french fries are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Fresh french fries are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Fresh french fries are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Fresh french fries are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Fresh french fries are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective mask looks at a bag of fresh french fries at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Potatoes are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Potatoes are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Potatoes are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Fresh french fries are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Potatoes are seen at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the coronavirus disease (COVID-19) outbreak, in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective face mask checks a machine at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective face mask checks a machine at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective face mask checks a machine at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective face mask checks a machine at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Workers with protective face masks check machines at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

Workers with protective face masks check machines at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective face mask checks a machine at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

A worker with a protective face mask checks a machine at Mydibel Group factory, a manufacturer of chilled, frozen and dehydrated potato products, amid the outbreak of the coronavirus disease (COVID-19) in Mouscron, Belgium April 29, 2020. REUTERS/Yves Herman

An empty highway A 20 is seen, as the spread of the coronavirus disease (COVID-19) continues, near Kreuz Uckermark, Germany, March 30, 2020. REUTERS/Annegret Hilse

A cross stands in La Rinconada, the Andes, Peru, October 7, 2019. REUTERS/Nacho Doce

A man walks amidst snow-covered trees in Kiev, Ukraine March 22, 2020. REUTERS/Gleb Garanich

People look out to sea in Blackpool as the number of coronavirus cases grow around the world, in Blackpool, Britain, March 17, 2020. REUTERS/Carl Recine

The gates of a chair lift are pictured after the closure of all ski resorts, including Les Portes du Soleil, since March 14 because of the outbreak of the coronavirus disease (COVID-19) in Les Crosets, Switzerland, March 15, 2020. REUTERS/Denis Balibouse

Cross country skiers climb on a slope after the closure of all ski resorts, incuding Les Portes du Soleil, since March 14 because of the outbreak of the coronavirus disease (COVID-19) in Les Crosets, Switzerland, March 15, 2020. REUTERS/Denis Balibouse

A man stands in front of the Skogafoss waterfall in Skogar, Iceland March 8, 2020. Picture taken March 8, 2020. REUTERS/Hannah McKay TPX IMAGES OF THE DAY

A man stands in front of the Skogafoss waterfall in Skogar, Iceland March 8, 2020. Picture taken March 8, 2020. REUTERS/Hannah McKay

Zinc houses stand in La Rinconada, the Andes, Peru, October 6, 2019. REUTERS/Nacho Doce SEARCH "WOMEN GOLD PICKERS FEMICIDE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Zinc houses stand in La Rinconada in the Andes, Peru, October 6, 2019. Picture taken October 6, 2019. REUTERS/Nacho Doce To match Special Report GOLD-PERU/SWISS

A migrant stands on the banks of Evros river, natural border between Turkey and Greece, near Edirne, Turkey, March 3, 2020. REUTERS/Marko Djurica

A person wearing a mask walks in the Royal Mile in Edinburgh, Scotland, Britain March 2, 2020. REUTERS/Russell Cheyne

A dog lays near a horse-drawn carriage during celebrations of Maslenitsa, also known as Pancake Week, which is a pagan holiday marking the end of winter, in Suzdal, Russia March 1, 2020. REUTERS/Maxim Shemetov

Ice forms on a house during blizzard in Hamburg, New York, U.S., February 28, 2020. REUTERS/Lindsay DeDario

Ice forms on a fire hydrant during blizzard in Hamburg, New York, U.S., February 28, 2020. REUTERS/Lindsay DeDario

Ice forms on a house during a blizzard in Hamburg, New York, U.S., February 28, 2020. REUTERS/Lindsay DeDario TPX IMAGES OF THE DAY

A sign indicates a closed road due to a blockade in Kahnawake Mohawk Territory, south of Montreal, Quebec, Canada February 25, 2020. REUTERS/Christinne Muschi

A woman with a dog walks during heavy snowfall in Minsk, Belarus February 24, 2020. REUTERS/Vasily Fedosenko

An aurora is seen in the sky in Kilpisjarvi, Finland February 18, 2020. Picture taken February 18, 2020. REUTERS/Alexander Kuznetsov

An aurora is seen in the sky in Kilpisjarvi, Finland February 18, 2020. Picture taken February 18, 2020. REUTERS/Alexander Kuznetsov

An aurora is seen in the sky in Kilpisjarvi, Finland February 18, 2020. Picture taken February 18, 2020. REUTERS/Alexander Kuznetsov

An aurora is seen in the sky in Kilpisjarvi, Finland February 18, 2020. Picture taken February 18, 2020. REUTERS/Alexander Kuznetsov