fredstrobel:
Chemistry_building23May15-5.jpg
fredstrobel:
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fredstrobel:
Chemistry_building23May15-7.jpg
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Chemistry_building23May15-8.jpg
fredstrobel:
Chemistry_building23May15-10.jpg
fredstrobel:
Chemistry_building23May15-45-HDR.jpg
fredstrobel:
Chemistry_building23May15-61-HDR.jpg
fredstrobel:
Chemistry_building23May15-73-HDR.jpg