A woman takes a selfie at a salt production site on the bed of a drained area of the Sasyk-Sivash lake near the city of Yevpatoria, Crimea May 31, 2020. REUTERS/Alexey Pavlishak TPX IMAGES OF THE DAY

Elizaveta Beliaeva, a 16-year-old swimmer, trains in a plastic pool outside her house amid the coronavirus disease (COVID-19) outbreak in Kaliningrad, Russia May 26, 2020. Picture taken May 26, 2020. REUTERS/Vitaly Nevar TPX IMAGES OF THE DAY

A couple share a kiss inside a train, after the city metro was reopened as part of another stage to ease the coronavirus disease (COVID-19) restrictions in Kiev, Ukraine May 25, 2020. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

A preserved grasshopper with a mask, a miniature artwork by micro-artist Anatoly Konenko, following the outbreak of the coronavirus disease (COVID-19), is seen in an artist's workshop in Omsk, Russia May 21, 2020. Picture taken May 21, 2020. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY

Russian conscripts wearing protective face masks sit next to their beds at a recruiting station, amid the coronavirus disease (COVID-19) outbreak in Kaliningrad, Russia May 20, 2020. REUTERS/Vitaly Nevar TPX IMAGES OF THE DAY

A specialist sprays disinfectant while sanitizing a bridge amid the outbreak of the coronavirus disease (COVID-19) in Moscow, Russia May 16, 2020. REUTERS/Shamil Zhumatov
 TPX IMAGES OF THE DAY

A view shows nurses and newborns in the Hotel Venice owned by BioTexCom clinic in Kiev, Ukraine May 14, 2020. At least fifty babies born to surrogate mothers are stranded in a Ukrainian clinic as the coronavirus disease (COVID-19) lockdown prevents their foreign parents from collecting them. Picture taken May 14, 2020. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

A firefighter works on a balcony while extinguishing a fire in an apartment block in Moscow, Russia May 14, 2020. Moscow is the epicentre of the outbreak of the coronavirus disease (COVID-19) in Russia. REUTERS/Shamil Zhumatov TPX IMAGES OF THE DAY

Grave diggers wearing personal protective equipment (PPE) walk away after burying a person, who presumably died of the coronavirus disease (COVID-19), in the special purpose section of a graveyard on the outskirts of Saint Petersburg, Russia May 13, 2020. REUTERS/Anton Vaganov

Spotlights are seen during a rally of artists and entertainment industry workers demanding support from the government and easing of lockdown measures, which were introduced amid the outbreak of the coronavirus disease (COVID-19), in Kiev, Ukraine May 12, 2020. REUTERS/Valentyn Ogirenko

A militant of the separatist Donetsk People's Republic is seen on a position located on the troops contact line with Ukrainian forces in Donetsk Region, Ukraine May 11, 2020. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY

Fireworks explode behind the Novodevichy monastery during celebrations of Victory Day, marking the anniversary of the victory over Nazi Germany in World War Two, in Moscow, Russia May 9, 2020. REUTERS/Shamil Zhumatov TPX IMAGES OF THE DAY

Elderly people, including veteran Pyotr Beznosenko, sit on a bench and receive congratulations during the celebrations of Victory Day, which marks the anniversary of the victory over Nazi Germany in World War Two, amid the outbreak of the coronavirus disease (COVID-19) in the town of Tara in Omsk Region, Russia May 9, 2020. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY

Belarusian military members take part in the Victory Day parade, which marks the anniversary of the victory over Nazi Germany in World War Two, amid the coronavirus disease (COVID-19) outbreak, in Minsk, Belarus May 9, 2020. Picture taken with a slow shutter speed. REUTERS/Vasily Fedosenko TPX IMAGES OF THE DAY

A family in Keele watch as Britain's Queen Elizabeth II addresses the nation and the Commonwealth on the 75th anniversary of VE Day, Keele, Britain, May 8, 2020. REUTERS/Carl Recine

Zac (8) watches as Britain's Queen Elizabeth II addresses the nation and the Commonwealth on the 75th anniversary of VE Day, Keele, Britain, May 8, 2020. REUTERS/Carl Recine

Milly (7) and Noah (10) at their home watch as Britain's Queen Elizabeth II addresses the nation and the Commonwealth on the 75th anniversary of VE Day, Hertford, Britain, May 8, 2020. REUTERS/Andrew Couldridge

A family in Keele watch as Britain's Queen Elizabeth II addresses the nation and the Commonwealth on the 75th anniversary of VE Day, Keele, Britain, May 8, 2020. REUTERS/Carl Recine

Lucy at her home in Manchester looks on as Britain's Queen Elizabeth II is reflected in her glasses during her address to the nation and the Commonwealth on the 75th anniversary of VE Day, Manchester, Britain, May 8, 2020. REUTERS/Phil Noble TPX IMAGES OF THE DAY

Light is seen in the window of a residential building just before sunrise in Moscow, Russia May 7, 2020. REUTERS/Maxim Shemetov

Britain's Secretary of State for Foreign affairs Dominic Raab arrives at the Foreign and Commonwealth Office, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 6, 2020. REUTERS/Henry Nicholls

A participant wearing a protective face mask stands amidst mannequins during a rally outside the Ministry of Health headquarters to support patients suffering from rare diseases and to demand additional governmental aid for a high-quality treatment, as the outbreak of the coronavirus disease (COVID-19) continues in Kiev, Ukraine May 5, 2020. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

Photographer Evgenia Danigevich, 27, enjoys the time with her newborn son Platon at home in Moscow, Russia May 4, 2020. Evgenia is originally from Tiraspol in Moldova's breakaway Transdniestria region. Her parents live there and are unable to come to Moscow due to lockdown measures amid the coronavirus disease (COVID-19) outbreak. Picture taken May 4, 2020. REUTERS/Evgenia Novozhenina

Sir Simon McDonald, the Permanent Under Secretary and Head of the Diplomatic Service at the Foreign and Commonwealth Office in Downing Street, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 4, 2020. REUTERS/John Sibley

Sir Simon McDonald, the Permanent Under Secretary and Head of the Diplomatic Service at the Foreign and Commonwealth Office in Downing Street, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 4, 2020. REUTERS/John Sibley

Russian Il-76 military transport aircrafts fly in formation during a rehearsal for the flypast, which marks the 75th anniversary of the victory over Nazi Germany in World War Two, in Moscow, Russia May 4, 2020. The traditional large-scale Victory Day military parade across Red Square was postponed due to the outbreak of the coronavirus disease (COVID 19). REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY

Ihor Ponomarchuk, a Ukrainian serviceman injured in a military conflict in the country's eastern regions, and his bride Anna Diolomina wearing protective face masks arrive for a wedding ceremony at the Main Military Clinical Hospital amid the coronavirus disease (COVID-19) outbreak in Kiev, Ukraine May 2, 2020. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY

A medical specialist walks out of a mobile laboratory, which carries out tests to detect the coronavirus disease (COVID-19) near the Moscow International Business Centre, also known as "Moskva-City", in Moscow, Russia April 27, 2020. REUTERS/Evgenia Novozhenina TPX IMAGES OF THE DAY

A medical specialist walks out of a mobile laboratory, which carries out tests to detect the coronavirus disease (COVID-19) near the Moscow International Business Centre, also known as "Moskva-City", in Moscow, Russia April 27, 2020. REUTERS/Evgenia Novozhenina TPX IMAGES OF THE DAY

A marsh harrier carries a branch to build a nest in a forest near the village of Piatrylava, Belarus April 26, 2020. REUTERS/Vasily Fedosenko TPX IMAGES OF THE DAY

Jeannie Dent gets a manicure from Sally Le at Nail Turbo, during the phased reopening of businesses and restaurants from coronavirus disease (COVID-19) restrictions in the state, in Roswell, Georgia, U.S., April 24, 2020. REUTERS/Bita Honarvar

Jeannie Dent talks to a customer across the room as she gets a manicure from Sally Le and pedicure from Tom Dinh at Nail Turbo, during the phased reopening of businesses and restaurants from coronavirus disease (COVID-19) restrictions in the state, in Roswell, Georgia, U.S., April 24, 2020. REUTERS/Bita Honarvar

Minister of State at the Foreign and Commonwealth Office Nigel Adams, leaves the Houses of Parliament after Parliament reopened while the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 21, 2020. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY

Minister of State at the Foreign and Commonwealth Office Nigel Adams, leaves the Houses of Parliament after Parliament reopened while the spread of the coronavirus disease (COVID-19) continues, London, Britain, April 21, 2020. REUTERS/Peter Nicholls

A priest of Orthodox Church of Ukraine rings bells during the Orthodox Easter celebrations, amid the coronavirus disease (COVID-19) outbreak in the village of Buzova near Kyiv, Ukraine April, 19, 2020. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

A Russian army serviceman wearing protective gear sprays disinfectant while sanitizing a factory amid the coronavirus disease (COVID-19) outbreak in Saint Petersburg, Russia April 15, 2020. REUTERS/Anton Vaganov TPX IMAGES OF THE DAY

A Russian serviceman wearing a protective mask looks out of a military vehicle during a rehearsal for the Victory Day parade, amid the coronavirus disease (COVID-19) outbreak, in Yekaterinburg, Russia April 14, 2020. REUTERS/Alexei Kolchin TPX IMAGES OF THE DAY

An employee of a flower shop destroys unsold flowers, as lockdown restrictions and self-isolation measures, imposed by the government across the country to slow the spread of the coronavirus disease (COVID-19), led to a slump in flower sales, in Saint Petersburg, Russia April 13, 2020. Picture taken April 13, 2020. REUTERS/Anton Vaganov TPX IMAGES OF THE DAY

A believer wearing a protective mask attends a service which marks the Orthodox feast of Palm Sunday, amid the coronavirus disease (COVID-19) outbreak in the Volodymyrsky Cathedral in Kiev, Ukraine April 12, 2020. REUTERS/Gleb Garanich TPX IMAGES OF THE DAY

Clergymen and believers attend a service, which is dedicated to the upcoming Orthodox feast commemorating Jesus' triumphal entry into Jerusalem, amid the coronavirus (COVID-19) pandemic at a cathedral in Omsk, Russia April 11, 2020. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY

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

Customers wait for orders as Britain's Queen Elizabeth is seen during her address to the nation and the Commonwealth on a television amid an outbreak of the coronavirus disease (COVID-19), at Cafe 247 in Lucerne Valley, California, U.S., April 5, 2020. REUTERS/Shannon Stapleton

Belarusian Catholics kiss a wooden cross during a church service marking Palm Sunday, amid the coronavirus disease (COVID-19) outbreak, in the town of Oshmyany, Belarus April 5, 2020. REUTERS/Vasily Fedosenko TPX IMAGES OF THE DAY

A dog gets out of the debris of an apartment block, which partially collapsed after an apparent gas explosion, in the town of Orekhovo-Zuyevo near Moscow, Russia April 4, 2020. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY

Evgenia Pivovarova drinks tea during self-isolation at home in the southern city of Rostov-on-Don, Russia March 30, 2020. Photographer Sergey Pivovarov and his wife Evgenia were on vacation in Spain when the coronavirus disease (COVID-19) outbreak started. After returning to Russia safely the couple had to spend two weeks self-isolated due to the rules imposed by the authorities. Sergey shares pictures taken inside the family apartment during this time. Picture taken March 30, 2020. REUTERS/Sergey Pivovarov

A police officer wearing a protective mask walks across Red Square, after the city authorities announced a partial lockdown ordering residents to stay at home to prevent the spread of coronavirus disease (COVID-19), during snowfall in central Moscow, Russia March 31, 2020. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY

A view shows Palace Square, which is almost empty due to restrictions on public gatherings to prevent the spread of coronavirus disease (COVID-19), in central Saint Petersburg, Russia March 30, 2020. REUTERS/Anton Vaganov TPX IMAGES OF THE DAY

A local resident Lyudmila stands near the debris of a barn at her household, which locals said was damaged during a recent shelling, in the Trudovski area of the rebel-controlled city of Donetsk, Ukraine March 29, 2020. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY

Yandex.Eats food delivery courier rides a scooter among plastic-wrapped tables of McDonald's restaurant, as the spread of the coronavirus disease (COVID-19) continues, in Saint Petersburg, Russia March 28, 2020. REUTERS/Anton Vaganov

A view shows a guinea pig with a protective mask, widely used as a measure to prevent the spread of coronavirus disease (COVID-19), and a toy shopping cart during a demonstration in the office of a public organization, which recently launched the production of face masks for their further distribution among seniors and low-income citizens, in Kharkiv, Ukraine March 26, 2020. The guinea pig, named Ukrop (Dill), lives in the office of the multi-member family association "AMMA" and receives care from its members. REUTERS/Vyacheslav Madiyevskyy

People stand on a pier on the bank of Amur Bay during sunset in the far eastern city of Vladivostok, Russia March 22, 2020. REUTERS/Yuri Maltsev TPX IMAGES OF THE DAY

A musician plays violin as he waits for the last train before metro shutdown amid coronavirus (COVID-19) concerns, at Zoloti Vorota station in central Kiev, Ukraine March 17, 2020. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY

Members of the National Guard of Ukraine wearing protective face masks stand guard in front of the Ukrainian parliament building amid coronavirus (COVID-19) concerns in Kiev, Ukraine March 17, 2020. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY

An employee cleans and disinfects a subway train, as part of measures to prevent the spread of coronavirus disease (COVID-19) in Moscow, Russia March 16, 2020. REUTERS/Tatyana Makeyeva TPX IMAGES OF THE DAY. REFILE - CORRECTING MENTION OF MASK

Alexandra Burke speaks with guests during the Commonwealth Reception at Marlborough House, in London, Britain March 9, 2020. Aaron Chown/Pool via REUTERS

Britain's Prince Charles is greeted by Patricia Janet Scotland, Baroness Scotland of Asthal as he arrives with Camilla, Duchess of Cornwall to attend the Commonwealth Reception at Marlborough House, in London, Britain March 9, 2020. Aaron Chown/Pool via REUTERS

Britain's Prince Charles is greeted by Patricia Janet Scotland, Baroness Scotland of Asthal as he arrives with Camilla, Duchess of Cornwall to attend the Commonwealth Reception at Marlborough House, in London, Britain March 9, 2020. Aaron Chown/Pool via REUTERS

Britain's Prince Charles speaks with Alexandra Burke and other guests during the Commonwealth Reception at Marlborough House, in London, Britain March 9, 2020. Aaron Chown/Pool via REUTERS

Britain's Prince Charles speaks with Alexandra Burke and other guests during the Commonwealth Reception at Marlborough House, in London, Britain March 9, 2020. Aaron Chown/Pool via REUTERS

Britain's Prince Charles speaks with Alexandra Burke and other guests during the Commonwealth Reception at Marlborough House, in London, Britain March 9, 2020. Aaron Chown/Pool via REUTERS