Chinese Ambassador to Laos Jiang Zaidong (L) and Vientiane mayor Sinlavong Khoutphaythoune attend the handover ceremony for anti-epidemic materials from China in Vientiane, Laos, April 21, 2020. China's Shanghai has donated a batch of anti-epidemic materials to Lao capital Vientiane to help fight against the COVID-19 outbreak. (Photo by Kaikeo Saiyasane/Xinhua)