Ready, set, go: it’s London’s third time hosting the modern Olympics. The Olympic Stadium is naturally one of the essential stages for demonstrating Olympic excellence. Indications that the structure might be record-breaking were evident early on. What could be the most environmentally friendly modern Olympic Stadium ever is also the lightest, incorporating a total of 10,000 tonnes of steel. It was completed one year early within a construction period of only 1,000 days, and to top it all, under budget. No wonder that the project won prizes before the Games even began, despite criticism that optimization was restricted to functional aspects only.