23 towers visited by Joerg Luther

30 St Mary Axe

Belem Tower

Big Ben

Chrysler Building

Dancing House

Donauturm

Eiffel Tower

Empire State Building

Fernsehturm Berlin

Flatiron Building

Isartor

Old Town Hall

Petřín Lookout Tower

Powder Tower

Prague Astronomical Clock

Saint Mark's Campanile

Santa Justa Lift

The Shard

Torre dei Lamberti

Torre del Gardello

Torre del Oro

Torre dos Clérigos

Uhrturm