18 towers visited by 96181b2

Bayterek

Belem Tower

Burj Al Arab

Burj Khalifa

Dancing House

Eiffel Tower

Galata Tower

Moscow City

Nevyansk Tower

OKO

Ostankino Tower

Powder Tower

Prague Astronomical Clock

Saint Mark's Campanile

Spasskaya Tower

Tower of Pisa

Towers of Bologna

Žižkov Television Tower