Farmers pick tea leaves at a tea garden at Xujiachong Village of Yichang City, central China's Hubei Province, March 19, 2019. (Photos: Xinhua)

Aerial photo taken on March 19, 2019 shows a tea garden at Chunkou Township of Liuyang City, central China's Hunan Province, March 19, 2019.

Aerial photo taken on March 19, 2019 shows farmers picking tea leaves at a tea garden at Xiaoke Village of Jinxi County, east China's Jiangxi Province, March 19, 2019.

Farmers pick tea leaves at a tea garden at Shuitianba Village of Xuan'en County, central China's Hubei Province, March 19, 2019.

Farmers pick tea leaves at a tea garden on Wengjia Mountain in Hangzhou City, east China's Zhejiang Province, March 19, 2019.