A foreign passenger wearing a protective suit poses as they prepare for their flight at Manila's International Airport, Philippines, Monday, January 18, 2021. Coronavirus infections in the Philippines have surged past 500,000 in a new bleak milestone with the government facing criticisms for failing to immediately launch a vaccination program amid a global scramble for COVID-19 vaccines. (Photo by Aaron Favila/AP Photo)

A girl holds a blossom in her mouth while posing for photos under cherry blossom trees at Wuhan University on March 11, 2021 in Wuhan, China. Tourists come to view cherry blossoms at the university during the spring. Wuhan University, first founded in 1893, is widely known as one of the most beautiful universities in China. (Photo by Getty Images/China Stringer Network)

An armed police officer checks the documents of a cyclist at a checkpoint placed to implement a curfew in the country's capital amid rising coronavirus disease (COVID-19) cases, in Caloocan City, Metro Manila, Philippines, March 16, 2021. (Photo by Eloisa Lopez/Reuters)

Passengers wearing protective masks travel on an over crowded train towards capital city, amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, July 8, 2020. (Photo by Dinuka Liyanawatte/Reuters)

People walk with their belongings in a flooded area after the Nile river overflowed after continuous heavy rain which caused thousands of people to be displaced in Bor, central South Sudan, on August 8, 2020. (Photo by Akuot Chol/AFP Photo)

Government officials in protective suits carry a mock coffin as they walk around a busy intersection during a coronavirus awareness campaign to remind people of the risk of contracting COVID-19 and to always obey health protocols to curb the spread of the outbreak in Jakarta, Indonesia, Friday, August 28, 2020. (Photo by Dita Alangkara/AP Photo)

A girl wears a face mask to curb the spread of the coronavirus as she attends a prayer ceremony to mark the holiday of “Enkutatash”, the first day of the new year in the Ethiopian calendar, which is traditionally associated with the return of the Queen of Sheba to Ethiopia some 3,000 years ago, at Bole Medhane Alem Ethiopian Orthodox Cathedral in the capital Addis Ababa, Ethiopia Friday, September 11, 2020. (Photo by Mulugeta Ayene/AP Photo)

A village boy from Satla Village, Barishal swimmimg with water lilies in a canal near Barishal, Bangladesh on August 17, 2021. Every bright pink blooms is hand-picked and collected carefully by farmers to distribute in the local markets during a annual period. The flowers bloom during of the seasonal flood starting from August to November. (Photo by Mustasinur Rahman Alvi/Eyepix Group/Pacific Press/Rex Features/Shutterstock)