Oli Scarff / Getty Images
A woman admires the view from the 69th floor of The Shard skyscraper on the preview day to mark the sale of tickets for the 'View from The Shard' experience on Oct. 26, in London, England. The observation floors of The Shard skyscraper offer 360 degree aspect of London, and at 244m they are twice the height of any other viewing platform in the city. The 'View from The Shard' opens to the general public on February 1, 2013 and costs 24.95 GBP for adults.
Peter Macdiarmid / Getty Images
Reaching for the sky, these buildings and towers compete for the world's attention.