A woman reacts as she receives the AstraZeneca/Oxford vaccine under the COVAX scheme against coronavirus disease (COVID-19) at the Kenyatta National Hospital in Nairobi, Kenya on March 5, 2021. (Photo by Monicah Mwangi/Reuters)

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)

A worker cleans the statue of Yuri Gagarin, the first person who flew to space, ahead of Cosmonautics Day celebrated on April 12, in Moscow, Russia, Wednesday April 10, 2019. Cosmonautics Day marks when Soviet cosmonaut Yuri Gagarin became the first man to fly in space, in 1961, orbiting the earth once before making a safe landing. (Photo by Maxim Marmur/AP Photo)

Skiers and snowboarders in swimwear during the Grelka Fest-2019 Festival at the Sheregesh ski resort, Kemerovo Region, Russia on April 13, 2019. (Photo by Kirill Kukhmar/TASS)

A Catholic faithful fancy dressed as a “talciguin” -character of the local folklore- takes part in the celebration of an ancient local tradition that marks the start of Holy Week, in Texistepeque, some 80 km west of San Salvador, on April 15, 2019. Talciguines are devils who “lash” Catholic faithfuls to cleanse their sins. (Photo by Marvin Recinos/AFP Photo)

Sudanese protesters rally outside the army complex in Sudan's capital Khartoum on April 18, 2019. Huge crowds of protesters thronged the Sudanese capital Khartoum today, a week after the army's ouster of president Omar al-Bashir, determined to complete their revolution seeking civilian rule. (Photo by Ozan Kose/AFP Photo)

Camel racing made its debut in Paxford, Gloucestershire, England yesterday at a point-to-point event on April 22, 2019. Each of the four camels was sponsored by a local pub. (Photo by Paul Nicholls/The Times)

A protester is taken away by police during an electoral campaign closing rally of Spain's far-right party VOX in Madrid, Spain on April 26, 2019. (Photo by Juan Medina/Reuters)