dailydrone hambach surface mine
The Tagebau Hambach is a large open-pit mine (German: Tagebau) in Niederzier and Elsdorf, North-Rhine Westphalia, Germany. It is operated by RWE and used for mining lignite. Begun in 1978, the mine currently has a size of 33.89 km² and is planned to eventually have a size of 85 km². It is the deepest open pit mine with respect to sea level, where the bottom of the pit is 293 metres (961 ft) below sea level.




References
Hambach surface mine Wikipedia(Text) CC BY-SA