This end of two weeks the house is eco-friendly new home in Britain, shows that combine the most advanced technology in energy-saving techniques from the Middle Ages. Construction technique used for the first time in Spain in 1382, the system is sometimes known as the Catalan. A low arch made of several layers of bricks are glued together, a different approach, of course, to achieve sustainability without additional support structures. It 'was designed by Richard Hawkes is also one of the first zero-carbon homes in the United Kingdom. The house is to use solar energy to produce all its own electricity and thermal energy. The building presents itself as modern design can celebrate local materials and crafts, and new technologies to produce a very sturdy construction, which originated on Earth.