A migrant worker wearing face masks to help curb the spread of the coronavirus walks up to a pedestrian bridge in Beijing, Sunday, December 6, 2020. Provincial governments across China are placing orders for experimental, domestically made coronavirus vaccines, though health officials have yet to say how well they work or how they may reach the country's 1.4 billion people. (Photo by Andy Wong/AP Photo)

Children carry firewood on their heads and walk homewards on the outskirts of Rae Bareli, India, Thursday, December 17, 2020. (Photo by Rajesh Kumar Singh/AP Photo)

A Tibetan living-in-exile in India attends a peace march during the 62nd Tibetan National Uprising Day in the suburb of McLeod Ganj, the seat of the Central Tibetan Administration in exile, near Dharamsala, India, 10 March 2021. Tibetan Uprising Day is held annually on 10 March and commemorates the Tibetan uprising against the presence of the People's Republic of China in Tibet in 1959. (Photo by Sanjay Baid/EPA/EFE)

Nepalese army personnel pay tributes before the body of a person who died of COVID-19 before cremating the same in Kathmandu, Nepal, Monday, August 17, 2020. (Photo by Niranjan Shrestha/AP Photo)

This photograph, taken on September 28, 2019, shows an Erythrina Abyssinica planted in a pasture on Ferme Espoir, owned by former President Joseph Kabila, in Masisi territory, northeast of the Democratic Republic of Congo. (Photo by Alexis Huguet/AFP Photo)

A man runs on a small road in the outskirts of Frankfurt, Germany, before sunrise on Tuesday, September 1, 2020. (Photo by Michael Probst/AP Photo)

People look at a funnel cloud formed near the beach in Barcelona, Spain, Monday, September 21, 2020. (Photo by Emilio Morenatti/AP Photo)

A member of the Revolutionary Armed Forces of Colombia (FARC) pose for a picture at a camp in the Colombian mountains on February 2005. (Photo by Frank Piasecki Poulsen)