Fishing boats sail on the Dianchi Lake in Kunming, southwest China's Yunnan Province, Sept. 23, 2018. Recently, Dianchi Lake entered the fishing season. (Xinhua/Hu Chao)

Fishing boats sail on the Dianchi Lake in Kunming, southwest China's Yunnan Province, Sept. 23, 2018. Recently, Dianchi Lake entered the fishing season. (Xinhua/Hu Chao)

Fishing boats sail on the Dianchi Lake in Kunming, southwest China's Yunnan Province, Sept. 23, 2018. Recently, Dianchi Lake entered the fishing season. (Xinhua/Hu Chao)

Fishing boats sail on the Dianchi Lake in Kunming, southwest China's Yunnan Province, Sept. 23, 2018. Recently, Dianchi Lake entered the fishing season. (Xinhua/Hu Chao)