Experts on site suspected that the sudden collapse of an underground karst cave created by eroded limestone caused the sinkhole, but the investigation is ongoing.

Since this is not an official leak and can be discredited by "experts" this is certainly not the threat that the appearance of Planet X and its Moon Swirls and the String of Pearls on SOHO have posed.

The Michelberger Hotel is housed in a converted factory building featuring a brick facade, high ceilings, large windows and a courtyard that acts as the social hub of the hotel.