Updated, 11/29: Bonus video of the ’drome in action...

The highly impressive Olympic Velodrome in London is "meant to be a sort of mecca for all types of cycling," says Andrew Weir, a structural engineer who worked on the project. With a sweeping roof inspired by the track it was designed to house, the building is not only striking, but "the most sustainable building in the Olympic Park," explains environmental engineer Klaus Bode. In this video by CraneTV, Weir and Bode explain the design thinking and construction behind the swooping structure:

Also impressive to see is the original CG walkthrough (below) produced way back in 2007—you can tell the video's vintage by its grainy resolution—and how closely the real thing has come to match the projected vision.

Prolly recently posted a sweet short about the Velodrome as well: