Aerial photo taken on March 7, 2021 shows a beekeeper inspecting a beehive among litchi flowers in Yongxing Township of Haikou City, east China's Hainan Province.

A bee is seen among litchi flowers in Yongxing Township of Haikou City, east China's Hainan Province, March 7, 2021.

Aerial photo taken on March 7, 2021 shows litchi flowers in Yongxing Township of Haikou City, east China's Hainan Province.

A beekeeper inspects a beehive among litchi flowers in Yongxing Township of Haikou City, east China's Hainan Province, March 7, 2021.