Mask Architects designed Villa G02, a private mansion in Egypt for a client who wanted a luxury home that is sustainable and ecologically sound. All of this for a house that will sit on a manmade island offshore. “Our main goal was to be energy efficient, sustainable and ecological to create an eco-green artificial island,” the architects explained. Related: Vertical forest buildings designed by Stefano Boeri set to center new Cairo Administrative district The island will be connected to the mainland by a bridge.