| Last additions - Tucson-AZ |

Village created near the Biosphere for scientists57 viewsUses green materials and big barrels on the right are cisterns to recycle rain water.Feb 26, 2013
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55 viewsFeb 26, 2013
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52 viewsFeb 26, 2013
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50 viewsFeb 26, 2013
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Saguaro National Park58 viewsFeb 26, 2013
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52 viewsFeb 26, 2013
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Saguaro National Park picnic area53 viewsStay on the path or get bit by cactus.Feb 26, 2013
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51 viewsFeb 26, 2013
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54 viewsFeb 26, 2013
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53 viewsFeb 26, 2013
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54 viewsFeb 26, 2013
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52 viewsFeb 26, 2013
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