The best of hidden Berlin Splashy signage? How gauche! Many of Berlin’s most evocative bars, restaurants and sights are actually hidden from view behind unmarked doors, in **ndescript buildings or recycled breweries, under railway bridges and even in wartime bunkers. Here’s our pick of the top clandestine hot spots around town. Tadschikische Teestube Dive deep into the fairytale world of this…