3 tips.
Berlin, Potsdamer Platz
Potsdamer Square, billed as Europe's busiest platz till World War II.In the past, it was crossed by the Wall and…Altstadt, the old part of Hamburg
The Altstadt itself is handsome, especially due to its inner canals, which the locals call "fleets". They spread all…Frankfurt, Romerberg - the old central area
Cool city...They call it Bankfurt or Mainhattan (river Main crosses the city), as it's the financial and geographical…