All That's Interesting on MSN3d
Archeologists Discovered The Remnants Of Germany’s Oldest Public Library In Cologne
The building could have housed up to 20,000 scrolls and might even be the oldest library discovered in the north-west ancient ...
Cologne gets Europe's largest river water heat pump
Cologne is decarbonizing its district heating system. To this end, a heat pump with a capacity of 150 megawatts is being ...