Army soldiers on Monday were seen building a dike to control floods in Lushan City, east China's Jiangxi Province. /CFP

Lushan City sits near Poyang Lake, China's largest freshwater lake. The lake's water level reached 22.72 meters as of early Sunday, the highest ever recorded. /CFP

Its last peak level was 22.52 meters, which was recorded in 1998, when severe floods hit China. /CFP