What is the surface area of Berlin?
In XVII century, Voltaire and Frederic II of Prussian were exchanging encrypted messages. One of the secret messages is in:
Why Victory Column has not be destroyed during World War II?
Inside the Charlottenburg Castle, we can discover a room with walls made of:
The Alexanderplatz was called after the Alexander I of Russia following his visit in Berlin in 1805. Every day, this place has:
How many times Berlin is the size of Paris?