103.The Tallest Building in the World Recently Kuala Lumper beat Chicago in a battle of skyscrapers when experts had the country’s Petronas Twin Towers measured and declared it the world’s tallest building. The title was formerly held by Chicago’s 110-story Sears Tower. Its status had been left unchallenged for 22 years. Buildings in the United States have held the title since 1913， but the need for space has created a skyscraper boom in Asia. According to one building expert， "the ball has started rolling in Asia." However， some experts think that building super-tall skyscrapers is not a matter of economics but ego. Every architect wants to have the honor of having the tallest building in the world. When the planned 1509-foot Shanghai World Financial Center is finished in a couple of years， it will be China’s turn to have that honor.