22 towers visited by Alessandro Cossa

Agbar Tower

Bayterek

Belem Tower

Big Ben

Burj Al Arab

Burj Khalifa

Dancing House

Eiffel Tower

Empire State Building

Fernsehturm Berlin

Flatiron Building

Galata Tower

Gate of Europe

Isartor

Maiden Tower

Montparnasse

OKO

Ostankino Tower

Prague Astronomical Clock

Space Needle

Tower of Pisa

Towers of Bologna