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Image 1
Planted City. (n.d.). Retrieved November 23, 2016, from http://plantedcity.tumblr.com/post/139986239429/its-getting-hot-in-here-designing-green-cities
Image 2
Tal, E. (n.d.). Water Cycle. Retrieved November 23, 2016, from http://commons.wikimedia.org/wiki/Main_Page