Chandelier Hall
The original sewerage system in the city of Cologne in western Germany goes way back. It was built during the Roman era, in the first century C.E., and remained almost unchanged for 1,800 years.
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The original sewerage system in the city of Cologne in western Germany goes way back. It was built during the Roman era, in the first century C.E., and remained almost unchanged for 1,800 years.
read on
