Nikon Ambassador, Photographer Joe McNally, revisits Dubai again to dangle on ropes off the side of the amazing Burj Khalifa (The World’s Tallest Building). This time it’s a descent from floor 112 with fearless window washers. For McNally’s story and a wonderful array of photos, check out his blog:http://blog.joemcnally.com/2015/03/17… https://youtu.be/RQkOwTQiJEs