Mentougou Eco Valley in Mentougou, China :) http://goo.gl/de7BfS StructuralEngineeringServices StructuralDesignServices

Mentougou Eco Valley in Mentougou, China :) http://goo.gl/de7BfS StructuralEngineeringServices StructuralDesignServices
Photo via: inhabitat.com

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