A farmer picks tea leaves at a tea garden in Nanchuan district, Southwest China’s Chongqing, April 2, 2018. [Photo/Xinhua]

A farmer displays the newly picked tea leaves at a tea garden in Nanchuan district, Southwest China’s Chongqing, April 2, 2018. [Photo/Xinhua]

Farmers pick tea leaves at a tea garden in Nanchuan district, Southwest China’s Chongqing, April 2, 2018. [Photo/Xinhua]

Farmers carry tea leaves at a tea garden in Nanchuan district, Southwest China’s Chongqing, April 2, 2018. [Photo/Xinhua]

Farmers pick tea leaves at a tea garden in Nanchuan district, Southwest China’s Chongqing, April 2, 2018. [Photo/Xinhua]