The ArcelorMittal Orbit - 21st Feb 2012 - London Olympic Park 152, a photo by Andy Wilkes on Flickr.
You know, I like this edifice less and less. It may not be finished, but it all the charm of piece of wire that I used to wire a bonsai for a few years, and then discarded. It lacks meaning, it lacks grounding. It just spirals up. With no way down!