This is the London Eye. It takes you 135 metres above the London skyline rotating slowly (one revolution takes half an hour).
NOTE: As Pbase removes previous PAD shots from the PAD page if you upload in succesion, check out my other PAD images for 18th - 21st April which are all being uploaded now.
Lots more in my new London gallery: http://www.pbase.com/britishbeef/london