We challenge the sun and moon to change the new world, Chinese propaganda poster, 1973...

We challenge the sun and moon to change the new world, the yellow river has been for thousands of year the scourge of that country. The harnessing of the river's flow and power for agriculture has long been the goal of successive Chinese rulers but it is only during the last two decades that more significant results have been achieved and now it has been shown that indeed man could control ther iver. The slogan rected by the workers digging the control levee banks states "Determinated to Tame the Yellow River", chinese communist propaganda poster, 1973