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In page Cross-laminated timber:
"In September 2016 the world's first timber mega-tube structure was built at the Chelsea College of Arts in London, using hardwood CLT panels. The 115-foot-long (35 m) "Smile" was designed by architect Alison Brooks and engineered by Arup, in collaboration with the American Hardwood Export Council, for the London Design Festival. The structure is a curved tube in a shape of a smile touching the floor at its centre. It has the maximum capacity of 60 people.[1]
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