Modern House That Become a Bunker When an Owner Isn’t HomeThis modern house is located in Warsaw, Poland. It looks like a fortified castle but built with using of materials and shapes that usually characterize modern architecture. When the owner isn’t home the house appears to be a bunker without windows and doors. Although when the owner enters the main gate the house transformed in something completely different. Everything open up and it become a luxury residence with an indoor pool suitable for holiday-like lifestyle. The interior is also done with modernism and minimalism in mind but is comfy enough.