Fisherman Xiao Gonggus and his wife Wang Guzhun push their fishing boat through an almost dried-up irrigation canal leading from Honghu Lake, near Honghu city in central China's Hubei province, May 29. Honghu Lake, China's seventh-largest freshwater lake, is suffering from the worst drought in 70 years, having received just 144 millimetres of rainfall from Jan. 21 to May 21 this year, only 21 percent of the amount recorded during the same period last year, according to Chen Gang, chief engineer of the flood control and drought relief headquarters of Honghu city.