File photo shows the drainage system excavated in the Pingliangtai Ancient City ruins in Huaiyang, central China's Henan Province. Archaeologists have unearthed a number of pottery drain pipes at a Neolithic site of Longshan Culture dating back more than 4,000 years and believe they form China's earliest and most complete urban drainage system. The city drainage system was excavated in the Pingliangtai Ancient City ruins in central China's Henan Province. (Xinhua)
Dey so moderne! And it runs right into the water supply for the Wuhan-Hubei wet market. They are cleaner than ancient Romans with the sponge on a stick in the pooh palace communal crapper.
Civ you can’t say the name “China” anymore. It’s racist bro.
Bat cave?
Earliest drainage? That must have been circa 2009. /sarc
Does it test positive for corona virus