The German capital is hugely popular. But what is its tallest structure? When did the Wall fall? And what do Berliners mean when they talk about a Schrippe? Test your knowledge of Berlin.
Berlin is many things: the German capital, seat of government, cultural metropolis with a vibrant nightlife. But above all Berlin is exciting, a city that is constantly changing. Maybe that's why tourists love it so much. The population is about 3.7 million.