Photos: Top 10 tallest buildings in the world
2. Taipei 101
Credit: AFP/Getty Images
This image shows the before views of the Taipei 101 building with the lights on as Taipei marks "Earth Hour" on March 26, 2011. Australia's Opera House on March 26 was the first of many global landmarks to go dark as "Earth Hour" got underway with hundreds of millions of people around the world set to switch off their lights. AFP PHOTO / Sam YEH (Photo credit should read SAM YEH/AFP/Getty Images)
