Periods of drought not only endanger nature, but also the groundwater and therefore our drinking water. Sealing in cities is also a problem. How Berliner Wasserbetriebe wants to help.| berlin.de
A large crater in front of the Rotes Rathaus: flats are to be built on Molkenmarkt. But until then, archaeologists still have a lot to do - they have already made around 700,000 finds.| berlin.de