Interesting concept ...

... using shipping containers as housing for low income workers.

The house may be sparse by U.S. standards, but Nava said it's a huge improvement in safety, security and health over where many now live.

When drawings and color pictures of the prototype were shown around a poor Juarez neighborhood, people said, "You know it'd be like a dream to live in one of these," Nava said. "You know, just the thought of having nice fresh air ventilating through the house, a large bed ... a normal kitchen and a safe home that locks and closes each night was more than appealing."