Three words: Don't. Look. Down!
Posting the photo to Instagram and Twitter, McNally wrote: "My old battered shoes climbed the worlds tallest building today. What an amazing structure! Tweeting from 820 meters straight up!"
More:Joe Mcnally Funny Pictures Incredible Pictures World's Tallest Building Joe Mcnally Photography
Suggested For You
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn more