This is a picture of a solar powered elevator that is located in London. This unique elevator was designed to make the Duke of York Steps accessible by wheelchair. In addition, it will hold up to eight people. The designer is in the process of obtaining a patent and hopes to install at least three more for the London 2012 Olympics.
For the full article on how it works click here.
This article was also mentioned by Tom over on the Elevator Radio Show this morning.