Meet the World’s Tallest Building, Burj Khalifa
Burj Khalifa, originally named Burj Dubai, has officially become the tallest building as of January 4, 2010 when the world welcomed its opening. It stands 828m tall with 160(162) floors, almost twice as tall as the Empire State Building, and is able to swing back and forth for 1.5m at its tallest point when strong wind…