Become a modern home Bunker When a homeowner is not home

Become a modern home Bunker When a homeowner is not home -

This modern house is located in Warsaw, Poland. It looks like a castle, but built with the use of materials and shapes that usually characterize modern architecture. When the owner is not home home seems to be a bunker with no windows and doors. Although when the owner enters the main door of the house into something completely different. Expand and become a luxury residence with indoor pool suitable for vacation-like lifestyle. The interior is also done with modernism and minimalism in mind, but is comfortable enough.