In the 780-sq-km Chaohu Lake in Anhui, Chinas fifth largest freshwater lake, 280 sq km is carpeted by algae.
In the 780-sq-km Chaohu Lake in Anhui, Chinas fifth largest freshwater lake, 280 sq km is carpeted by algae.
安徽巢湖，总面积780万平方公里，有280万平方公里被蓝藻覆盖。