This is probably the most exciting feet photo you've ever seen on Instagram.
It was taken by National Geographic photographer Joe McNally from the top of the world's tallest skyscraper, the Burj Khalifa, in Dubai. McNally uploaded the photo to his Instagram account on Monday.
It was taken by National Geographic photographer Joe McNally from the top of the world's tallest skyscraper, the Burj Khalifa, in Dubai. McNally uploaded the photo to his Instagram account on Monday.