Sri Lankan President Gotabaya Rajapaksa (4th R, front ) attends the handover ceremony of Sinopharm COVID-19 vaccines at the Bandaranaike International Airport in Colombo, Sri Lanka, March 31, 2021. A batch of Sinopharm vaccines arrived in Sri Lanka from China on Wednesday as part of a donation by the Chinese government to the island nation. (Sri Lankan President Media Division/Handout via Xinhua)