Saudi Arabia Starts Building World's Tallest Tower

April 28 (Bloomberg) –- Saudi Arabia's plan to build the world's tallest building is one step closer to reality. Construction on the Kingdom Tower is underway and is expected to to be complete in 2020. The skyscraper is part of the country's Kingdom City project, a $20 billion enterprise spearheaded by the Saudi royal family to transform Jeddah into a metropolitan empire. (Source: Bloomberg)