The DOE estimates that over 100,000 people visited this year's Decathlon.

Christopher Davis and visitor Jim Gardiner of Annandale, Va., discuss the workings of the absorption chiller.

Competing students John Kucia of Maryland, Sam Covey of Texas, Bryan Wolin of Cornell, and Matthew Brugman, also Texas, are served a dinner by UC.

Team leader Joerg Thoene of Technische Universität Darmstadt speaks after his team receives first place in the architecture competition.

Visitors to the Decathlon reading exhibitry during self-guided house tours October 13th.

Team members relax in Washington, DC after completing reconstruction of the house.