Quiz: 10 World Tallest Buildings

10 World Tallest Buildings=18 1 Burj Khalifa - Dubai=828 m 2 Abraj Al-Bait Towers - Mecca=601 m 3 Taipei 101 - Taipei=509 m 4 Shanghai World Financial Center=492 m 5 Int.Commerce Centre Hong Kong=484 m 6 Petronas Tower 1 -Kuala Lumpur=452 m 7 Petronas Tower 2 -Kuala Lumpur=452 m 8 Nanjing Greenland Fin. Center=450 m 9 Willis Tower - Chicago=442 m 10 Kingkey 100 - Shenzhen=442 m