This week here at London 2012 we have been celebrating the completion of the steel structure of the Velodrome.
The steel outer ring looks a bit like a rollercoaster, don't you think?
During the Games the Velodrome will host Olympic and Paralympic Track Cycling events.
View more photos of the Velodrome
Take a virtual tour of the Velodrome.
Eton Dorney, the venue for Rowing events during the Games, gets brightened up with a new bridge which has now been lifted into place.
John Armitt, Chairman of the Olympic Delivery Authority (ODA), travelled to Wales this week to visit some of the firms that have won contracts to work on the 2012 Games, including a firm that produced decking boards for the new Sailing facilities at Weymouth and Portland.
