Maybe the reason why Tobey Maguire left the “Spiderman” franchise this year is because he realized he had nothing on Alain Roberts. Over the years, the infamous French “Spiderman” daredevil has risked life, limb and imprisonment to conquer some of the world’s tallest towers. The 47-year old Frenchman has scaled an impressive list of historical buildings including, the Sears Tower, the Empire State Building and Taipei 101. And now, he’s got his sights set on - what else? - the world’s tallest building.