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You should also check out monolithic domes. http://www.monolithicdome.com/ Many of the same advantages to the geodesic dome but more hearty. They allow for great spans of space inside. The thick walls help insulate the area for easier heating/cooling. Does not offer entire walls made of glass, but can still place very large openings and skylights for good lighting. They also make very efficient use of steel and concrete materials so they can be more cost effective to build then the equivalently sized tradional building.