A kid plays with a bubble machine near the Dianchi Lake in Kunming, southwest China's Yunnan Province, Oct. 13, 2021.Photo:Xinhua

A speedboat cruises on the Dianchi Lake in Kunming, southwest China's Yunnan Province, Oct. 13, 2021.Photo:Xinhua

Visitors enjoy leisure time near the Dianchi Lake in Kunming, southwest China's Yunnan Province, Oct. 13, 2021.Photo:Xinhua

Photo taken with a mobile phone on Oct. 13, 2021 shows a view of Kunming, southwest China's Yunnan Province.Photo:Xinhua

Citizens dance near the Dianchi Lake in Kunming, southwest China's Yunnan Province, Oct. 13, 2021.Photo:Xinhua