One World Trade Center, NYC.

One World Trade Center, NYC. Image by k_tjaaa / CC BY 2.0

The observatory at the top of One World Trade Center, New York, doesn’t open until 29th May, but a video has been released giving a sneak peek of the elevator ride that will take visitors up the 102 floors to the viewing deck. The video shows an incredible time-lapse animation of the development of the New York skyline: as visitors start their journey they will see just grass and swamp land, and will end it with a view of the skyscrapers of today. The original World Trade Center makes an appearance and then disappears from view. To see the video and read more: huffingtonpost.com