http://www.environmentalgraffiti.com/featured/amazing-light-transmitting-concrete/8296 for environmentalists who don't take themselves too seriously Fri, 20 Nov 2009 19:34:27 +0000 http://wordpress.org/?v=2.8.4 hourly 1 http://www.environmentalgraffiti.com/featured/amazing-light-transmitting-concrete/8296/comment-page-1#comment-176441 bharat Tue, 10 Mar 2009 08:02:08 +0000 http://www.environmentalgraffiti.com/?p=8296#comment-176441 what do u used for reinforcement? what do u used for reinforcement?

]]> http://www.environmentalgraffiti.com/featured/amazing-light-transmitting-concrete/8296/comment-page-1#comment-174827 ExistentialDuck Tue, 03 Mar 2009 08:40:28 +0000 http://www.environmentalgraffiti.com/?p=8296#comment-174827 hmm... people like concrete walls and such because you CAN'T see through them! hmm… people like concrete walls and such because you CAN’T see through them!

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