The water at the BVG Freibad, an abandoned open-air swimming pool on Siegfriedstrasse in the Berlin district of Lichtenberg, doesn’t look too inviting, even on a hot day. The pool was built in 1928, the same year the neighbouring stadium was acquired by the newly formed BVG (Berliner Verkehrs Aktiengesellschaft, now the Berliner Verkehrsbetriebe), the […]