Gregory Kloehn, an artist, plumber and construction contractor based in Oakland, Calif, build houses for the homeless out of scrap from the streets. The first home — complete with wheels for mobility and a lock for safety — and a bottle of celebratory Champagne was given to a homeless couple Kloehn had come to know while taking photos. As he saw them wheel it down the street and live in it, he came to understood the value that a safe, dry place has to people who have fallen on hard times. Kloehn has built many miniature homes for the homeless in Oakland and San Francisco. All construction materials (except for the wheels and a few other odds and ends), are sourced from garbage. He also runs workshops and give lectures, teaching other artists and handypeople the tricks of the trade. Following his lead, other builders have made homes for their neighbors in Los Angeles, Tucson, Arizona, and even abroad.