Aerial photo taken on Dec. 25, 2019 shows fishing boats sailing on the Xingyun Lake in Yuxi, southwest China's Yunnan Province. A fishing ban on the Xingyun Lake was lifted on Wednesday. The fish season will last till Jan. 23, 2020. (Photo: Xinhua/Hu Chao)

Fishermen get ready to board near the Xingyun Lake in Yuxi, southwest China's Yunnan Province, Dec. 25, 2019. (Photo: Xinhua/Hu Chao)

Aerial photo taken on Dec. 25, 2019 shows fishing boats sailing on the Xingyun Lake in Yuxi, southwest China's Yunnan Province. (Photo: Xinhua/Hu Chao)

Aerial photo taken on Dec. 25, 2019 shows fishing boats sailing on the Xingyun Lake in Yuxi, southwest China's Yunnan Province. (Photo: Xinhua/Hu Chao)

Aerial photo taken on Dec. 25, 2019 shows people purchasing fish at a market near the Xingyun Lake in Yuxi, southwest China's Yunnan Province. (Photo: Xinhua/Hu Chao)

Aerial photo taken on Dec. 25, 2019 shows a fish market near the Xingyun Lake in Yuxi, southwest China's Yunnan Province. (Photo: Xinhua/Hu Chao)