during the cold war that started after world war II and lasted through the 1980s, many people in north America and Russia (then know as the USSR) were convenient that a nuclear war was going to happen and the world would become uninhabitable because of radiation poisoning. some people believe by building home undergrad they could survive the initial nuclear attack and with until the worst of the radiation had dissipated before emerging from their safe havens to rebuild society. In Las Vegas a tow bedroom home is hidden eight meters(twenty six feet ) below ground underneath a normal looking house in the suburbs. The underground house has a false sky a swimming pool a putting green and a barbecue disgusting as a massive boulder. A sophisticated ventilation and air purification system is meant to keep the atmosphere breathable even after a desaturates attack and of course there is lost of room to store canned the goods water and other food and supplies in case it isn't safe to venture above ground. Even if a global disaster is not on the horizon there are many advantages to building a home partially or completely underground Temperature contour is easy with an underground home. In the summer thing tend to stay cool and in the winter the warmth stored in the ground ground during the hot months gently warms the interior some homes that are built completely underground become almost invisible and it possible to use the roof (which is actually at ground level) to increase the space available for growing food crops. light floods into a well designed buried home through light tunnels and by taking advantage of slope to build many windows into downhill facing walls. From
