house an interesting aesthetic there s a good exercise too you know. but all the walls are really solid enough. there s just like a third dimension a rock real mcinnes said to mentally rock but deformed thousands of years. piling on top of each other over columns of years well we are often in the process so. when for sunshine the word brain after some time is big it s like a manmade storm. the company has built four houses so far it started out with a little prototype building experimenting with different materials and techniques including using bricks made of around. this cafeteria a north and don i was more ambitious and scale. this residential project is the biggest so far materials are cheap it s cost about one hundred fifty thousand u.s. dollars that s about one third less than the price was conventional building and