从1957年冬到1958年春，全国农村动员近7000万人大搞农田基本建设。这是河南兰考县瓜营乡青年突击队在“引黄蓄灌”水利工地上。（唐茂林 摄）

    Young people work on the building site of water conservancy in Lankao County of central China’s Henan Province. Nearly 70 million Chinese people take part in the farm land construction project from winter of 1957 to the spring in 1958 in China.（Photo by Tang Maolin）