More than 40 percent of the world's energy and raw materials flow into the construction sector.In order to conserve dwindling resources, sustainable living concepts are becoming increasingly important.A company in Denmark is therefore building houses from old shipping containers - the interior design is impressive.The Danish company "WorldFlexHome" builds houses from old shipping containers that would normally end up in the junkyard.There are said to be over half a billion containers in the world, of which statistically one sinks into the sea every hour."WorldFlexHome" recycles the old containers by using them as building material for houses. To do this, three such containers are connected and stacked.The containers are about 12 meters long and about two meters high and wide.After cutting out the recesses for windows and doors, the containers are combined with a sloping roof construction.(You can see how impressive the container house looks in the video above.)The outer facade of the container house is covered with bamboo.There is a solar system on the roof.It is also overgrown with grass as insulating material to ensure comfortable temperatures inside in all seasons.The rainwater is stored in underground tanks, which is used both for the sanitary facilities and as drinking water.➨ More on the topic: This 30 square meter apartment looks like a luxury apartmentThe house is also impressive from the inside: the modern architecture and the elegant design give little indication that it is a former freight container.Since sea containers can be stacked up to six high, the innovative company's concept can even be used to build multi-storey houses.The first prototype of the container house can be seen in the Chinese city of Wuxi.All content, in particular the texts and images from agencies, are protected by copyright and may only be reproduced, distributed or otherwise used within the scope of normal use of the offer.