The pool continues inward past the guest wing and runs beneath a small concrete bridge separating the public and private spaces. Steely credits contractor Mike Lynch with helping to engineer this feat of site-poured concrete.  Photos from This Concrete-and-Glass House Is Set Atop a Lava Flow in Hawaii

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The pool continues inward past the guest wing and runs beneath a small concrete bridge separating the public and private spaces. Steely credits contractor Mike Lynch with helping to engineer this feat of site-poured concrete.