But the houses cannot be left standing (or semi-standing). Mold blooms weed-like on walls and ceilings. Snakes, cockroaches, and rats have made closets their permanent residences. Rebuilding cannot begin until all the useless furniture, sheetrock, and muddy carpeting have been removed. Habitat for Humanity and AmeriCorps have teamed together to gut as many houses for the elderly and disabled as possible in the time left before the deadline.