Aerial photo taken on May 17, 2020 shows villagers picking tea leaves at a tea plantation in Xinyuan Village of Xiushan Tujia and Miao Autonomous County in Chongqing, southwest China. (Photos: Xinhua)

Aerial photo taken on May 17, 2020 shows villagers picking tea leaves at a tea plantation in Xinyuan Village of Xiushan Tujia and Miao Autonomous County in Chongqing, southwest China.

Aerial photo taken on May 17, 2020 shows villagers picking tea leaves at a tea plantation in Xinyuan Village of Xiushan Tujia and Miao Autonomous County in Chongqing, southwest China.

A villager picks tea leaves at a tea plantation in Xinyuan Village of Xiushan Tujia and Miao Autonomous County in Chongqing, southwest China, May 17, 2020.

A villager picks tea leaves at a tea plantation in Xinyuan Village of Xiushan Tujia and Miao Autonomous County in Chongqing, southwest China, May 17, 2020.