Would you live in a cave? These architects believe we should

Would you live in a cave? These architects believe we should
(CNN) — Hypermodern glass and steel may be shaping our cities of the future — and the supertall skyscrapers that continue to punch through their skylines — but some architects are looking instead to humanity's oldest dwelling: the humble cave. With well-insulated, energy-efficient interiors, …

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** MORE curations: Al Cannistra at San Antonio ONE here.