A burnt mountain after a wildfire in Ellinika village on Evia island, about 176 kilometers (110 miles) north of Athens, Greece, Tuesday, August 10, 2021. As Greece's massive wildfires appeared to largely recede Tuesday, the country's civil protection chief defended the firefighting efforts, saying every resource was thrown into the fight against what he described as the fire service's worst challenge ever. (Photo by Michael Varaklas/AP Photo)





A firefighter tries to extinguish a fire in the village of Avgaria, on the island of Evia, Greece, August 10, 2021. (Photo by Stelios Misinas/Reuters)





A helicopter participates in a wildfire extinguishing operation, in Koycegiz, Mugla, Turkey, Monday, August 9, 2021. Wildfires in Turkey, described as Turkey's worst in living memory, started on July 28 amid a ferocious heatwave and raged on for days across more than half of Turkey's provinces. At least eight people and countless animals have been killed and villages and resorts had to be evacuated, with some people fleeing to beaches to be rescued by sea. (Photo by Emre Tazegul/AP Photo)





Firefighters from Slovakia try to extinguish the burning blaze of a forest fire near in the village of Avgaria on Evia (Euboea) island, on August 10, 2021. Nearly 900 firefighters, reinforced overnight with fresh arrivals from abroad, were deployed on the country's second largest island as major towns and resorts remained under threat from a fire that has been burning for eight days. (Photo by Angelos Tzortzinis/AFP Photo)





Charred trees are seen following a wildfire in Tizi Ouzou, one of the most populous cities in Algeria's Kabylie region, on August 10, 2021. Wildfires fanned by blistering temperatures and tinder-dry conditions have killed at least seven people in Algeria, the interior minister said, adding the fires had criminal origins. (Photo by Ryad Kramdi/AFP Photo)





Firefightering helicopters are filled with water off the beach of the village of Pefki, on the island of Evia, Greece, August 10, 2021. (Photo by Nicolas Economou/Reuters)





Tajikistan's tanks roll during a joint military drills by Russia and Uzbekistan at Harb-Maidon firing range about 20 kilometers (about 12 miles) north of the Tajik border with Afghanistan, in Tajikistan, Tuesday, August 10, 2021. The troops from Russia, Tajikistan and Uzbekistan on Tuesday wrapped up their drills intended to simulate a joint response to potential security threats coming from Afghanistan. The war games that began last week involved 2,500 Russian, Tajik and Uzbek troops and about 500 military vehicles. (Photo by Didor Sadulloev/AP Photo)





Russian troops line up before the start of joint military drills by Tajikistan and Uzbekistan at Harb-Maidon firing range about 20 kilometers (about 12 miles) north of the Tajik border with Afghanistan, in Tajikistan, Tuesday, August 10, 2021. (Photo by Didor Sadulloev/Reuters)





Uzbekistan's troops attend a joint military drills together with Russia and Tajikistan at Harb-Maidon firing range about 20 kilometers (about 12 miles) north of the Tajik border with Afghanistan, in Tajikistan, Tuesday, August 10, 2021. (Photo by Didor Sadulloev/AP Photo)





A demonstrator throws back a tear gas canister during a protest against the government's handling of the coronavirus disease (COVID-19) pandemic, in Bangkok, Thailand, August 10, 2021. (Photo by Soe Zeya Tun/Reuters)





A demonstrator gestures during a protest against the government's handling of the coronavirus disease (COVID-19) pandemic, in Bangkok, Thailand, August 10, 2021. Police in Thailand fired tear gas, water cannon and rubber bullets to disperse protesters who took to the streets of Bangkok on Tuesday amid anger over the handling of the coronavirus pandemic by Prime Minister Prayuth Chan-ocha's government. (Photo by Soe Zeya Tun/Reuters)





A demonstrator shows the three-finger salute during a protest against the government's handling of the coronavirus disease (COVID-19) pandemic, in Bangkok, Thailand, August 10, 2021. Protesters demanded the resignation of Prime Minister Prayuth Chan-ocha for his failure in handling the COVID-19 pandemic. (Photo by Soe Zeya Tun/Reuters)





Demonstrators take part in a protest against the government's handling of the coronavirus disease (COVID-19) pandemic, in Bangkok, Thailand, August 10, 2021. (Photo by Soe Zeya Tun/Reuters)





A tank drives past Congress as part of a convoy after it passed by Planalto presidential palace in Brasilia, Brazil, Tuesday, August 10, 2021. The convoy paraded by the palace on Tuesday, the day of a key congressional vote on a constitutional reform proposal supported by Bolsonaro that would add printed receipts to some of the nation’s electronic ballot boxes. (Photo by Eraldo Peres/AP Photo)





Women offer flowers to a soldier in a show of opposition to Brazilian President Jair Bolsonaro after a military convoy passed Planalto presidential palace and parked outside the Navy headquarters in Brasilia, Brazil, Tuesday, August 10, 2021. (Photo by Eraldo Peres/AP Photo)





A soldier in a parked military vehicle is offered yellow flowers by opposition protesters outside Navy headquarters in Brasilia, Brazil, Tuesday, August 10, 2021, after parading by the Planalto presidential palace. A military convoy paraded by the palace on Tuesday, the day of a key congressional vote on a constitutional reform proposal supported by President Jair Bolsonaro that would add printed receipts to some of the nation’s electronic ballot boxes. (Photo by Eraldo Peres/AP Photo)





Supporters of Brazilian President Jair Bolsonaro cheer with a Brazilian flag as protesters in opposition to the president hold flowers to give to soldiers from a military convoy that paraded by Planalto presidential palace and parked outside the Navy headquarters in Brasilia, Brazil, Tuesday, August 10, 2021. (Photo by Eraldo Peres/AP Photo)





A protester wears clothing stained with fake blood, a reference to COVID-19 deaths, and raises her fist outside Planalto presidential palace where a military convoy passed shortly after in Brasilia, Brazil, Tuesday, August 10, 2021. (Photo by Eraldo Peres/AP Photo)





A health worker prepares a shot of Covid-19 vaccine for a citizen at a vaccination center in Iran Mall shopping center in Tehran, Iran, Monday, August 9, 2021. Iran – like much of the world – remains far behind countries like the United States in vaccinating its public. So far only 3 million people out of Iran's population of 80 million have had both vaccine doses. (Photo by Vahid Salemi/AP Photo)





Grave diggers carry the coffin of a victim who died from Covid-19 coronavirus for burial at a cemetery in Bekasi, Indonesia on August 10, 2021. (Photo by Rezas/AFP Photo)





A medical worker wearing protective gear in a booth, takes sample from a visitor during a COVID-19 testing at a coronavirus testing site in Seoul, South Korea, Wednesday, August 11, 2021. (Photo by Im Hwa-young/Yonhap via AP Photo)





A man reads a newspaper on the steps of Flinders Street Station in Melbourne, Australia, Wednesday, August 11, 2021. Australia's second-largest city has extended its lockdown in a bid to eliminate COVID-19 while authorities in Sydney flagged restrictions easing for vaccinated residents despite the delta variant continuing to spread. (Photo by Daniel Pockett/AAP Image)





People, many wearing face coverings to combat the spread of the coronavirus, travel on the Jubilee line of the London Underground on August 9, 2021. After updated guidance from British health regulators, coronavirus vaccinations have been extended to those aged 16 and 17 without underlying health issues, but not to younger healthy teenagers as in many other Western countries. (Photo by Tolga Akmen/AFP Photo)





Workers remove posters featuring Barcelona's departing Argentinian forward Lionel Messi at the Camp Nou stadium in Barcelona on August 10, 2021. France is waiting impatiently for Lionel Messi with supporters gathering outside Paris Saint-Germain's ground hoping to see the Argentine who is expected to join the Qatar-owned club after his exit from Barcelona. (Photo by Pau Barrena/AFP Photo)





Students react as they share their results with their friends at Taunton School in Somerset, United Kingdom as students receive their A-Level results on Tuesday, August 10, 2021. (Photo by Ben Birchall/PA Images via Getty Images)





Students react after receiving their A-level exam results at Kingsdale Foundation school in London, Britain, 10 August 2021. Students across the UK are set to react after receiving their A-level exam results 10 August. High grades are expected as grades are assessed based on a wide range of evidence, due to the coronavirus pandemic. Hundreds of thousands of students are expected to apply for university with many missing out on their first choice due to fierce competition for places. (Photo by Andy Rain/EPA/EFE)





Friends pose for a picture on a night out in Leeds, United Kingdom after receiving their A Level results on Tuesday, August 10, 2021. Students hit the town across the country, downing cocktails and letting their hair down after two years of studying during the pandemic. (Photo by Nb press ltd)