Watch Sky Line Online – Free Streaming 2015 Full Movie HD on Putlocker and 123movies. The concept of an elevator to space is not new. In the world of Arthur C. Clarke, it is a natural progression. What most people don’t know is that men and women around the world are working hard to build it right this moment. Some want to solve the energy crisis, some want easier access to raw materials in the solar system, and some just want to travel to space and gaze upon their home planet.