Auburn University's Rural Studio in western Alabama draws architectural students into the design and construction of homes and public spaces in some of the poorest counties in the United States. They're creating beautiful and economical structures that are unique in the world — and that nurture sustainability of the natural world as of human dignity.

The Rural Studio has completed their third generation of the 20K House — budgeting $10,000 in materials and the rest for future profit for a contractor. In a clever twist for a pair of brothers, they've combined the two in the form of a dogtrot. Take a look.