Check out this photograph of skyscrapers peeking through the clouds over Dubai. The city, located in the United Arab Emirates, has built more skyscrapers higher than 2/3 km, 1/3 km, or ¼ km than any other city on the planet. The Burj Khalifa, the world’s tallest building at 829.8 meters (2,722 feet), is visible at left in this shot.