By 2010, Dubai's proven oil reserves will likely be depleted. Sheikh Mohammed Bin Rashid Al Maktoum, the prince of Saudi Arabia, is now considering how to attract 15 million tourists annually to Saudi Arabia at that time to offset the loss from the depletion of oil. Below is his plan. The Burj Khalifa: the tallest building in the world. In 2009, on the day the Burj Khalifa opened, it became the tallest building in the world. It is located on Doha Street in an area called "Dubai Land," at the "first intersection" on Sheikh Zayed Road. The Burj Khalifa was designed by Adrian Smith of Skidmore, Owings and Merrill LLP (SOM) in Chicago...