Aerial photo taken on April 7, 2021 shows tea gardens in Shengzi Village of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. [Photo/Xinhua]

Aerial photo taken on April 7, 2021 shows tea gardens in Shengzi Village of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. [Photo/Xinhua]

Aerial photo taken on April 7, 2021 shows tea gardens on Mu'er Mountain of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. [Photo/Xinhua]

Aerial photo taken on April 7, 2021 shows tea gardens in Shengzi Village of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. [Photo/Xinhua]

Aerial photo taken on April 7, 2021 shows tea gardens in Shengzi Village of Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. [Photo/Xinhua]