Tom Cruise has followed through on his promise to deliver death-defying stunts for the new “Mission: Impossible” movie: He has been photographed dangling from the top of the world’s tallest building.The actor is returning to the role of secret agent Ethan Hunt for the fourth film in the series, “Mission: Impossible: Ghost Protocol,” and he is currently filming scenes in Dubai.Cruise recently revealed he would be scaling the massive Burj Khalifa tower, which stands at more than half a mile high, and he fulfilled his promise on Saturday, when he was seen swinging on a harness more than 2,717 feet in the air.The breathtaking stunt drew a crowd of onlookers as Cruise ran around the circumference of the building in a chase sequence – Msn