20 towers visited by Martin Simon
Big Ben
Burj Al Arab
Burj Khalifa
Coit Tower
Dubai Marina
Dubai World Trade Centre
Eiffel Tower
Fernsehturm Berlin
Galata Tower
Isartor
Montparnasse
Moscow City
Old Town Hall
Rundetaarn
Santa Justa Lift
Spasskaya Tower
Sydney Tower Eye
Torre Monumental
