9 Greatest Feats of Human Engineering
Burj Khalifa
It is a sky scrapper in Dubai and is considered to be the tallest man made structure in the world. It officially started its construction on 21 September 2004 and was opened to public on 4 January 2010. This sky scrapper has 30,000 homes, nine hotels, 3 hectares of parkland, atleast 19 residential towers, Dubai Mall, and a 30 acre manmade lake Burj Khalifa Lake. The architect of this great massive structure is Adrian Smith.
Millau Viaduct
Is considered to be the world’s tallest bridge with one mast's summit at 343.0 meters (1,125 ft) above the base of the structure. This is a cable stayed road bridge that spans the valley of the river Tarn in Millau, Southern France. The construction cost of this giant bridge is estimated to be 400 million euros. It was opened to traffic on 16th December 2004. It is the 12th highest bridge in the world at 890 feet high below the road deck.
