A serviceman of Russia's Emergencies Ministry wearing protective gear disinfects Moscow's Leningradsky railway station on May 19, 2020, amid the COVID-19 coronavirus pandemic. (Photo by Kirill Kudryavtsev/AFP Photo)

In this photo taken on Saturday, May 2, 2020, funeral workers, wearing protective suits, lower the coffin of Semen Muchka, 71, who died of coronavirus disease, into the grave at a cemetery in Krynytsya, Ukraine. (Photo by Evgeniy Maloletka/AP Photo)

A Palestinian boy dips in a natural spring to cool off during a heat wave, amid concerns about the spread of the coronavirus disease (COVID-19), near Jericho in the Israeli-occupied West Bank on May 17, 2020. (Photo by Mohamad Torokman/Reuters)

A police officer who was injured when falling of a horse during scuffles with demonstrators at Downing Street during a Black Lives Matter march in London, Saturday, June 6, 2020, is dragged by colleagues, as people protest against the killing of George Floyd by police officers in Minneapolis, USA. Floyd, a black man, died after he was restrained by Minneapolis police while in custody on May 25 in Minnesota. (Photo by Frank Augstein/AP Photo)

A man wearing a face mask walks past a picture of a Russian tank in central Moscow on June 18, 2020. Russia's President Putin on June 24 will preside over a massive military parade to mark Soviet victory in World War II, which was postponed due to the coronavirus pandemic. (Photo by Yuri Kadobnov/AFP Photo)

A local resident fills in documents near a mobile ballot box outside her house during a seven-day vote on constitutional reforms, in the village of Troitskoye in Moscow region, Russia on June 25, 2020. (Photo by Evgenia Novozhenina/Reuters)

Girls refresh themselves and their dog with water spray frames set along the central street of the Ukrainian capital of Kiev during a heatwave on June 25, 2020. (Photo by Sergei Supinsky/AFP Photo)

A labourer carries sugarcane to load onto a mini truck at the main vegetable and fruit market in Islamabad on July 7, 2020. (Photo by Aamir Qureshi/AFP Photo)