18 towers visited by Olga Timoshchenko
Belem Tower
Big Ben
Burj Al Arab
Burj Khalifa
Canton Tower
Eiffel Tower
Fernsehturm Berlin
Galata Tower
Kuala Lumpur Tower
Maiden Tower
Montparnasse
OKO
Ostankino Tower
Petronas Towers
Po-i-Kalyan
Prague Astronomical Clock
