The Thar desert in India is one of the most populated deserts in the world. This is due to ancient water collection systems that provide enough water to sustain a 60 inhabitants per square kilometre.
Here are some of the methods they use to harvest water.
You can find more awesome photos HERE
See you tomorrow for more “Useless information”
RMach
Source:
Fred Pearce.1991.Ancient lessons from arid lands. New Scientist 132:42-48
Image sources: 1 and 2, 3