Mega structures

Mirror, mirror on the wall what’s the tallest structure in the world? That would be the Burj Khalifa in Dubai, United Arab Emirates, a shimmering 828 metre silver skyscraper. It has 160 habitable floors and 11 mechanical floors and cost 1.5 billion US dollars ! It takes a team of people four months to clean its whole exterior. Might be a good job for Spiderman! If you want to know more about the mega structures in the world, why don’t you check out Towering Giants and Other Tall Megastructures¬†¬†by Ian Graham. You’ll be amazed at how we are reaching for the sky.