Water and sewage in ancient China

By |2018-04-18T18:18:11-08:00June 7th, 2017|China, Science|

Han Dynasty model of an outhouse (ca. 100 AD) People in China, like other people around the world, used human poop to fertilize their fields and grow more food. In this picture, you can see a system where when you wanted to go to the bathroom you climbed up the stairs to this [...]