Aerial photo taken on March 12, 2021 shows farmers working at a tea garden at Manjuelong Village, West Lake scenic spot in Hangzhou, capital of east China's Zhejiang Province. The "Longjing 43", a kind of West Lake Longjing Tea, greets its harvest season starting from Friday, and the large scale harvest season for the West Lake Longjing Tea is expected to start in late March. Photo:Xinhua

A farmer processes harvested West Lake Longjing Tea leaves at Manjuelong Village, West Lake scenic spot in Hangzhou, capital of east China's Zhejiang Province, March 12, 2021. The "Longjing 43", a kind of West Lake Longjing Tea, greets its harvest season starting from Friday, and the large scale harvest season for the West Lake Longjing Tea is expected to start in late March. Photo:Xinhua

Farmers harvest West Lake Longjing Tea leaves at Manjuelong Village, West Lake scenic spot in Hangzhou, capital of east China's Zhejiang Province, March 12, 2021. The "Longjing 43", a kind of West Lake Longjing Tea, greets its harvest season starting from Friday, and the large scale harvest season for the West Lake Longjing Tea is expected to start in late March. Photo:Xinhua

A farmer shows harvested West Lake Longjing Tea leaves at Manjuelong Village, West Lake scenic spot in Hangzhou, capital of east China's Zhejiang Province, March 12, 2021. The "Longjing 43", a kind of West Lake Longjing Tea, greets its harvest season starting from Friday, and the large scale harvest season for the West Lake Longjing Tea is expected to start in late March. Photo:Xinhua