Dongtan Eco-City: World's First Large Scale Environmental City	WORLD'S TALLEST FREESTANDING STRUCTURES 1. Burj Khalifa (Burj Dubai) Dubai, UAE - 818 m (2,684 ft) 2. CN Tower Toronto, Canada - 553 m (1,814 ft) 3. Ostankino Tower Moscow, Russia - 540 m (1,772 ft) 4. Willis Tower (Sears Tower) Chicago, USA - 527 m (1,729 ft) 5. Taipei 101 Taipei, Taiwan - 509 m (1,670 ft)
Istanbul, Turkey is the only city in the world which spans two continents. The western side of the city is in Europe and the eastern side of the city is in Asia.	Bogota - Building a Sustainable City
	When you look at a city, it's like reading the hopes, aspirations and pride of everyone who built it. -Hugh Newell Jacobsen