The Royal Botanic Gardens at Kew and Museum of Architecture have launched an international competition to design three treehouses that will be part of a major exhibition next year.

Each treehouse is expected to be created using sustainable, renewable materials and be of “exceptional” design. They should also teach Kew Gardens’ visitors about climate, biodiversity and sustainable design. 

International architects working with the RBG around the world on biodiversity will directly commission the designs, which will be picked in two stages.

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