<human>: I've heard that the new 'Skyscraper' is the tallest building in the world. Is that true?
<bot>: No, the Burj Khalifa in Dubai is currently the tallest building in the world at 829.8 meters (2,722 feet). The current tallest building in the world is the Makkah Royal Clock Tower Hotel in Mecca, Saudi Arabia which stands at a height of 632.3 meters (2,133 feet).