The design of the four-bedroom house, called Crossways, has been adapted from the technique “timbrel vaulting”, used in Catalonia, Spain. The arched building in Staplehurst is covered with earth and plants and was designed by architect Richard Hawkes. It has been given zero-carbon status because fossil fuels are not needed to heat it. (via BBC NEWS | England | Kent | Eco-home uses medieval technique
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