Monks attend a prayer service for blessing at the Gandan Temple in Lhasa, capital of southwest China's Tibet Autonomous Region, February 5, 2020. Tibetan Buddhist temples held prayer services to support novel coronavirus-infected areas in China. The monks here were also organized to donate money to help fight against the epidemic. (Photo by Chogo/Xinhua News Agency)

Former Vice President Joe Biden, 2020 Democratic presidential candidate, right, watches as his wife Jill Biden, center, blocks a protester from arriving on stage during an primary night rally in the Baldwin Hills neighborhood of Los Angeles, California, U.S., on Tuesday, March 3, 2020. The biggest day of the presidential primary calendar will define the nomination fight for Bernie Sanders and Biden and determine whether Michael Bloomberg and Elizabeth Warren have a rationale for carrying on their campaigns. (Photo by Patrick T. Fallon/Bloomberg via Getty Images)

A man shelters from the rain with plastic bags, at a market in Tembisa, east of Johannesburg, South Africa, Monday, March 23, 2020. South Africa, Africa's most industralized economy and a nation of 57 million people, will to go into a nationwide lockdown for 21 days from Thursday to fight the spread of the new coronavirus. (Photo by Themba Hadebe/AP Photo)

This picture taken on June 20, 2020 shows longtail macaques chasing a woman on a scooter in the town of Lopburi, some 155km north of Bangkok. Residents barricaded indoors, rival gang fights and no-go zones for humans. Welcome to Lopburi, an ancient Thai city overrun by monkeys super-charged on junk food, whose population is growing out of control. (Photo by Mladen Antonov/AFP Photo)

Dutch cyclist Fabio Jakobsen's bicycle (behind, L) flies through the air as he collides with compatriot Dylan Groenewegen (on the ground, L) during the opening stage of the Tour of Poland race in Katowice, southern Poland on August 5, 2020. The Dutch rider was fighting for his life on Wednesday after he was thrown into and over a barrier at 80km/h in a sickening conclusion to the opening stage of the Tour of Poland. (Photo by Szymon Gruchalski/Forum/AFP Photo)

A man stands near smoke billowing from a brick kiln in Karachi, Pakistan, 14 December 2018. According to the UN report, carbon dioxide (CO2) emissions have increased for the first time in four years. The United Nations Conference COP24, held in Katowice, Poland, until 14 December 2018, searches for a common position in the fight against climate change. (Photo by Shahzaib Akber/EPA/EFE)

Youths play a traditional pillow fight game on a bamboo pole during festivities marking the 69th anniversary of Myanmar Independence Day on the outskirts of Yangon on January 4, 2017. Various traditional and local events were held on the holiday which marks the 69th anniversary of the country known before as Burma when British colonial rule ended on January 4, 1948. (Photo by Ye Aung Thu/AFP Photo)

A Ukrainian serviceman who fought in Debaltseve is seen near Artemivsk February 19, 2015. Fighting raged in eastern Ukraine on Thursday despite European efforts to resurrect a still-born ceasefire, a day after pro-Russian separatists who spurned the truce forced thousands of government troops out of a strategic town. (Photo by Gleb Garanich/Reuters)