Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)

Aerial photo taken on April 28, 2020 shows scenery of the Luming tea plantation in Gongxian County of southwest China's Sichuan Province. (Xinhua/Jiang Hongjing)