http://inhabitat.com/grain-silo-in-iowa-converted-into-a-large-ice-climbing-wall/ Green design & eco innovation for a better world Tue, 21 May 2013 14:17:58 +0000 hourly 1 http://wordpress.org/?v=abc http://inhabitat.com/grain-silo-in-iowa-converted-into-a-large-ice-climbing-wall/comment-page-1/#comment-502716 nato123678 Tue, 12 Mar 2013 01:47:12 +0000 http://inhabitat.com/?p=490389#comment-502716 Grain silos are the metal structures in the background. The concrete ones with metal rings are for sileage, a partially digested food for cattle (want the recipe? Take an entire corn plant, chop it up, add some anhydrous ammonia to keep it damp, and let it sit in a dark silo awhile microbes begin to break it down). Cows really dig the stuff. Grain silos are the metal structures in the background. The concrete ones with metal rings are for sileage, a partially digested food for cattle (want the recipe? Take an entire corn plant, chop it up, add some anhydrous ammonia to keep it damp, and let it sit in a dark silo awhile microbes begin to break it down). Cows really dig the stuff.

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