lchengphoto: Hirshhorn Museum, Washington DC
lchengphoto: Hirshhorn Museum, Washington DC
lchengphoto: tourists outside the Air and Space Museum, Washington DC
lchengphoto: Air and Space Museum, Washington DC
lchengphoto: Air and Space Museum, Washington DC
lchengphoto: Overpass, Washington DC
lchengphoto: James V. Forrestal Building, US Department of Energy, Washington DC
lchengphoto: Georgetown (DC), from Theodore Roosevelt Island, Virginia
lchengphoto: renovation of EPA building, Washington DC
lchengphoto: 21-gun salute at Arlington Cemetery
lchengphoto: construction cranes, Washington DC
lchengphoto: old warrior, Washington DC
lchengphoto: Theodore Roosevelt Island, Virginia
lchengphoto: K Street, under the Whitehurst
lchengphoto: FRWY ENDS
lchengphoto: FAA building and Hirshhorn Museum, Washington DC
lchengphoto: Christ United Methodist Church
lchengphoto: RFK Stadium, Washington DC
lchengphoto: Union Market, Washington DC
lchengphoto: Capital City Diner at Union Market, Washington DC
lchengphoto: "Serenity"
lchengphoto: ziggurat
lchengphoto: pods, Kenilworth Aquatic Gardens
lchengphoto: exploring the moon
lchengphoto: Saturn V first stage motors
lchengphoto: Northrop M2-F3 lifting body research aircraft
lchengphoto: Apollo-Soyuz, detail
lchengphoto: Apollo-Soyuz, detail
lchengphoto: night light
lchengphoto: ped x-ing