Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region. (Photos: Xinhua)

Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region.

Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region.

Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region.

Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region.

Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region.

Aerial photo taken on April 16, 2020 shows the scenery of Haokun Lake in Lingyun County in Baise, south China's Guangxi Zhuang Autonomous Region.