The Burj Khalifa, the tallest building in the world, is so tall that people perceive time differently from the top and bottom floors
The Burj Khalifa, the world’s tallest tower, dominates the Dubai skyline.MARWAN NAAMANI/AFP via Getty Images At 2,716.5 feet tall, the Burj Khalifa in Dubai is… Read More »The Burj Khalifa, the tallest building in the world, is so tall that people perceive time differently from the top and bottom floors