
They were invented by the Finnish architect Matti Suuronen. In 1965, a former classmate asked him to design a ski lodge that could be installed almost anywhere and warm up quickly. Suuronen studied the issue and chose an unexpected shape - an ellipse, as well as materials that were new for those times: fiberglass and polyurethane. Well, after that seriously thought about making houses of a new type. And he did it!
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