

Big Ben, London, UK

Rajabai Clock Tower, Mumbai, India

Clock tower at Potsdamer Platz, Berlin, Germany

San Francisco Ferry Building, San Francisco, California, US

Khan al-Umdan, Acre, Israel

Zytglogge, Bern, Switzerland

Prague astronomical clock, Prague, Czech Republic

Abraj Al-Bait Towers, Mecca, Saudi Arabia

Sultan Abdul Samad Building, Kuala Lumpur, Malaysia

Spasskaya Tower, Moscow, Russia