link | energy, steam | Tue Jul 24 19:24:03 CDT 2012 link | energy, steam | Sat Apr 21 06:51:11 GMT 2012 link | energy, smoke, steam, water | Fri Nov 11 22:01:04 CST 2011 link | architecture, energy, smoke, steam | Tue Nov 8 21:16:08 CST 2011 link | architecture, clouds, energy, grass, steam | Thu Oct 13 15:53:42 CDT 2011