Comments on 104.SolarDecathlon.NationalMall.WDC.9October2009tag:ipernity.com,2024-03-29:comments/doc-6310635http://cdn.ipernity.com/p/101/76/D5/54646.buddy.jpg4th Biennial Solar Decathlon Competition . www.solardecathlon.org/ . National Mall . Washington DC . Friday evening, 9 October 2009 . http://elvertbarnes.com/4thSolarDecathlon-2009.html . Elvert Xavier Barnes Photography House #109 Penn State http://www.solardecathlon.org/2009/team_penn.cfm2024-03-29T06:29:20+00:00ipernity.com