The Burj Khalifa in Dubai is the world's tallest building at 828 meters high with 162 floors. It took over 6 years to construct from 2004 to 2010 using over 45,000 cubic meters of concrete and 192 foundation piles over 50 meters deep. Key aspects of its construction include its reinforced concrete mat foundation 3.7 meters thick, exterior cladding of 26,000 individually cut glass panels, mechanical systems supplying nearly 1 million liters of water daily and electrical systems powering the equivalent of 360,000 light bulbs simultaneously.