18 towers visited by Sinchie Ng
Chungking Mansions
CN Tower
Eiffel Tower
Empire State Building
Fernsehturm Berlin
Flatiron Building
Kuala Lumpur Tower
Moscow City
OKO
Ostankino Tower
Petronas Towers
Saint Mark's Campanile
Spasskaya Tower
Sydney Tower Eye
Taipei 101 Observatory
Tower of Pisa
