Strolling around the Lake Arena it's impossible not to notice hundreds and hundreds of little red rocks, completely out of scale. These are in fact swivel chairs arranged around the Tree of Life. They're a present from Coca-Cola (in fact they're all red), and on the side they sport a plaque that says: “Movement is Happiness” These chairs (in polyethylene) are called Spun (2010), they were designed by Thomas Heatherwick and produced by Magis. Once we see them in action, we can't help trying them out! Thomas Heatherwick had already become world famous with his [UK Pavilion](http://www.dezeen.com/2010/03/31/uk-pavilion-at-shanghai-expo-2010-by-thomas-heatherwick-2/) at the 2010 Shanghai Expo. But he's outdone himself here. It's impossible not to have a turn on them (in this case, quite literally).