A villager picks tea leaves at a tea garden in Zayu County of Nyingchi City, southwest China's Tibet Autonomous Region, April 5, 2020. Local villagers in Zayu started harvesting spring tea in 12,000 mu (800 hectares) of tea gardens recently. The tea industry, developed since 2018, has become a new source of income for local villagers. (Xinhua/Hou Jie)

A villager picks tea leaves at a tea garden in Zayu County of Nyingchi City, southwest China's Tibet Autonomous Region, April 5, 2020. Local villagers in Zayu started harvesting spring tea in 12,000 mu (800 hectares) of tea gardens recently. The tea industry, developed since 2018, has become a new source of income for local villagers. (Xinhua/Huang Huo)

A villager shows freshly picked tea leaves at a tea garden in Zayu County of Nyingchi City, southwest China's Tibet Autonomous Region, April 5, 2020. Local villagers in Zayu started harvesting spring tea in 12,000 mu (800 hectares) of tea gardens recently. The tea industry, developed since 2018, has become a new source of income for local villagers. (Xinhua/Chen Shangcai)

Villagers pick tea leaves at a tea garden in Zayu County of Nyingchi City, southwest China's Tibet Autonomous Region, April 5, 2020. Local villagers in Zayu started harvesting spring tea in 12,000 mu (800 hectares) of tea gardens recently. The tea industry, developed since 2018, has become a new source of income for local villagers. (Xinhua/Hou Jie)

Photo taken on April 5, 2020 shows a tea garden in Zayu County of Nyingchi City, southwest China's Tibet Autonomous Region. Local villagers in Zayu started harvesting spring tea in 12,000 mu (800 hectares) of tea gardens recently. The tea industry, developed since 2018, has become a new source of income for local villagers. (Xinhua/Chen Shangcai)