The irrigation system in Dujiangyan shows the impressive inventiveness of mankind as early as 256 BC. Through this technical masterpiece, they controlled both floods and droughts, making the Chengdu plain one of the richest regions in China, the "land of abundance". Picture credits: Dr. Nicole Börner/TU Braunschweig

This image is part of: Excursion with a view. Please note the copyright of this image.