The two were the capital cities of two belligerents .
People did not travel from London to Berlin in WW2 unless they were in a military aircraft and dropping bombs.
During the world wars (Berlin 1916, Tokyo 1940, London 1944).
Berlin, Tokyo and London Olympics were cancelled because of world war 2.
Before Berlin was invaded, no.
Among those badly damaged were London, Hamburg, Berlin, Leningrad, Stalingrad, Nanking, Tokyo, Hiroshima and Nagasaki,
London Birmingham Manchester Liverpool Southampton Paris Moscow Dresden Coventry Hamburg Dusseldorf Munich Berlin
Berlin, Germany, hosted the Olympics during World War II.
Berlin. (Bonn was the capital of West Germany, 1949-1990.)
London, Paris, Rome, Amsterdam, Berlin etc.
Berlin
Berlin
Berlin