A cross is seen in Holy Island, as the spread of the coronavirus disease (COVID-19) continues, Holy Island, Britain, April 12, 2020. REUTERS/Lee Smith 

A sign reading "Covid 19, No Visitors please, Thank you" is seen in Holy Island, as the spread of the coronavirus disease (COVID-19) continues, Holy Island, Britain, April 12, 2020. REUTERS/Lee Smith 

A woman takes photos under blooming cherry blossoms in a park in the Berlin district of Treptow on Easter Sunday during the coronavirus disease (COVID-19) outbreak, Germany April 12, 2020. REUTERS/Michele Tantussi 

A cross is seen in Seahouses, as the spread of the coronavirus disease (COVID-19) continues, Seahouses, Britain, April 12, 2020. REUTERS/Lee Smith 

A Jewish worshipper stands on a rooftop overlooking the Western Wall as a down-sized priestly blessing, a traditional prayer which usually attracts thousands of worshippers on the holiday of Passover takes place at the holy site, amid the coronavirus disease (COVID-19) outbreak, in Jerusalem's Old City April 12, 2020. REUTERS/Ronen Zvulun 

General view of St Albans Cathedral, as the spread of the coronavirus disease (COVID-19) continues, St Albans, Britain, April 12, 2020. REUTERS/Peter Cziborra 

Sunrise is seen over St Albans Cathedral, as the spread of the coronavirus disease (COVID-19) continues, St Albans, Britain, April 12, 2020. REUTERS/Peter Cziborra 

Sunrise is seen over St Albans Cathedral, as the spread of the coronavirus disease (COVID-19) continues, St Albans, Britain, April 12, 2020. REUTERS/Peter Cziborra 

Sunrise is seen over St Albans Cathedral, as the spread of the coronavirus disease (COVID-19) continues, St Albans, Britain, April 12, 2020. REUTERS/Peter Cziborra 

Sunrise is seen over St Albans Cathedral, as the spread of the coronavirus disease (COVID-19) continues, St Albans, Britain, April 12, 2020. REUTERS/Peter Cziborra 

A cat yawns in the window of a house, amid the coronavirus disease (COVID-19) outbreak, during the Holy Week in Ronda, southern Spain, April 11, 2020. REUTERS/Jon Nazca TPX IMAGES OF THE DAY 

A general view over an empty M1 motorway as the spread of the coronavirus disease (COVID-19) continues, near Hemel Hempstead, Britain, April 11, 2020. REUTERS/Paul Childs 

A general view over an empty M1 motorway as the spread of the coronavirus disease (COVID-19) continues, near Hemel Hempstead, Britain, April 11, 2020. REUTERS/Paul Childs 

Two couples are seen distancing themselves socially at Battersea Park, as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 11, 2020. REUTERS/Toby Melville 

A sign is seen in Bala as the spread of the coronavirus disease (COVID-19) continues, Bala, Gwynedd, Wales, Britain, April 11, 2020. REUTERS/Carl Recine 

A sign is seen in Bala as the spread of the coronavirus disease (COVID-19) continues, Bala, Gwynedd, Wales, Britain, April 11, 2020. REUTERS/Carl Recine 

Crosses are seen outside of a church, as each cross represents one life lost to coronavirus disease (COVID-19) in the state of Louisiana, in Baton Rouge, Louisiana U.S., April 10, 2020. REUTERS/Carlos Barria 

Crosses are seen outside of a church, as each cross represents one life lost to coronavirus disease (COVID-19) in the state of Louisiana, in Baton Rouge, Louisiana U.S., April 10, 2020. REUTERS/Carlos Barria 

Crosses are seen outside of a church, as each cross represents one life lost to coronavirus disease (COVID-19) in the state of Louisiana, in Baton Rouge, Louisiana U.S., April 10, 2020. REUTERS/Carlos Barria 

Two gulls are seen on the beach of Whitstable, Britain April 10, 2020. REUTERS/Peter Cziborra 

Empty benches on the beach are seen, as the spread of the coronavirus disease (COVID-19) continues, in Whitstable, Britain April 10, 2020. REUTERS/Peter Cziborra 

Seagulls are seen on a deserted beach in La Baule during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19) in France, April 10, 2020. REUTERS/Stephane Mahe 

A view shows a deserted beach in Le Pouliguen during a lockdown imposed to slow the spread of the coronavirus disease (COVID-19) in France, April 10, 2020. REUTERS/Stephane Mahe 

A priest carries a cross during the annual procession of the Station of the Cross on Good Friday preceding Easter Celebrations at the Catholic Church of Saint-Germain l'Auxerrois as the spread of the coronavirus disease (COVID-19) continues, in Paris, France April 10, 2020. REUTERS/Benoit Tessier 

A priest carries a cross during the annual procession of the Station of the Cross on Good Friday preceding Easter Celebrations at the Catholic Church of Saint-Germain l'Auxerrois as the spread of the coronavirus disease (COVID-19) continues, in Paris, France April 10, 2020. REUTERS/Benoit Tessier 

A police cordon is seen in Greenwich Park as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Toby Melville 

A woman exercises at an empty sports ground during a partial lockdown imposed to slow the spread of the coronavirus disease (COVID-19) in Kiev, Ukraine April 10, 2020. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY 

A protective face mask is seen on the floor near Westminster Bridge as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Toby Melville 

10 Downing Street is seen as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Hannah McKay 

10 Downing Street is seen as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Hannah McKay 

10 Downing Street is seen as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Hannah McKay 

Social distancing notices are seen on a walkway in St James' Park as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Toby Melville 

Social distancing notices are seen on a walkway in St James' Park as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 10, 2020. REUTERS/Toby Melville 

A rescued migrant walks barefooted past police officers in protection suits as he disembarks a military vessel which arrived in Senglea in Valletta's Grand Harbour, after an outbreak of the coronavirus disease (COVID-19) in Malta April 10, 2020. REUTERS/Darrin Zammit Lupi 

A rescued migrant walks barefooted past a police officer in protection suit as he disembarks a military vessel which arrived in Senglea in Valletta's Grand Harbour, after an outbreak of the coronavirus disease (COVID-19) in Malta April 10, 2020. REUTERS/Darrin Zammit Lupi 

A woman is seen cleaning her window in London as the spread of the coronavirus disease (COVID-19) continues, London, Britain April 9, 2020. REUTERS/Hannah McKay 

Lights in support of the NHS are seen in a window, as the spread of the coronavirus disease (COVID-19) continues, High Handenhold, Britain, April 9, 2020. REUTERS/Lee Smith 

Pigeons are seen on a traffic light as the spread of the coronavirus disease (COVID-19) continues, in Paris, France, April 9, 2020. REUTERS/Benoit Tessier 

A man walks on a street following the coronavirus disease (COVID-19) outbreak in Athens, Greece, April 9, 2020. REUTERS/Goran Tomasevic 

Cars drive along Linjiang Avenue after lockdown in Wuhan, the epicentre of China's novel coronavirus disease (COVID-19) outbreak, is lifted, in Wuhan, Hubei province, China, April 9, 2020. REUTERS/Aly Song SEARCH "WUHAN REEMERGING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A police restriction tape is seen at the beach of Cala Major during the coronavirus disease (COVID-19) outbreak in Mallorca, Spain April 9, 2020. REUTERS/Enrique Calvo 

A view shows the Kiev Pechersk Lavra monastery during the coronavirus disease (COVID-19) outbreak in Kiev, Ukraine April 9, 2020. REUTERS/Gleb Garanich 

A message is seen at Embankment written in chalk in tribute to the NHS as the spread of the coronavirus disease (COVID-19) continues, in London, Britain April 9, 2020. REUTERS/Hannah McKay 

Street cats are seen at Sultanahmet Square, as the spread of coronavirus disease (COVID-19) continues in Istanbul, Turkey, April 9, 2020. REUTERS/Umit Bektas 

A man is seen stood next to a social distancing marker while the spread of the coronavirus disease (COVID-19) continues, in Birmingham, Britain, April 9, 2020. REUTERS/Carl Recine 

A dog is seen as grass grows on Rome's popular Piazza Navona square after a huge drop in the number of visitors due to a strict lockdown trying to stop the spread of coronavirus disease (COVID-19) in Rome, Italy, April 9, 2020. REUTERS/Guglielmo Mangiapane 

A pigeon is seen on a street during a home-confinement order to prevent the spread of the coronavirus disease (COVID-19), in Ramallah in the Israeli-occupied West Bank, April 7, 2020. Picture taken April 7, 2020. REUTERS/Mohamad Torokman 

Stuffed animals and clothes hang from a rope at a balcony amid the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain, April 8, 2020. REUTERS/Jon Nazca 

A sign reading "Stay at home" is seen hung from a rope at a balcony amid the coronavirus disease (COVID-19) outbreak, in Ronda, southern Spain, April 8, 2020. REUTERS/Jon Nazca 

Public benches are taped off in Brockwell Park as the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 8,2020. REUTERS/Reade Levinson 

The India Gate war memorial is pictured after air pollution level started to drop during a 21-day nationwide lockdown to slow the spreading of Coronavirus disease (COVID-19), in New Delhi, India, April 8, 2020. REUTERS/Adnan Abidi 

A commercial vessel sails through the Bosphorus during the outbreak of the coronavirus disease (COVID-19) in Istanbul, Turkey, April 8, 2020. REUTERS/Umit Bektas 

A closed playground is seen at the Hirschgarten in Munich, Germany, April 8, 2020, as the spread of the coronavirus disease (COVID-19) continues. REUTERS/Andreas Gebert 

The light reflects off the windows of residential buildings during sunrise in Yevpatoriya, Crimea April 8, 2020. REUTERS/Alexey Pavlishak 

The supermoon, also known as the 'Pink Moon', sets behind a mosque and an Orthodox cathedral during sunrise in Yevpatoriya, Crimea April 8, 2020. REUTERS/Alexey Pavlishak 

A pedestrian traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. REUTERS/Kai Pfaffenbach 

A pedestrian traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. REUTERS/Kai Pfaffenbach 

A traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. REUTERS/Kai Pfaffenbach 

A pedestrian traffic light is seen next to the Pink Supermoon in Frankfurt, Germany, April 8, 2020. REUTERS/Kai Pfaffenbach 

A coyote stands by the roadside as the spread of coronavirus disease (COVID-19) continues, at Golden Gate Bridge View Vista Point across from San Francisco, California, U.S., April 7, 2020. REUTERS/Shannon Stapleton