“The greatest obstacle to discovery is not ignorance — it is the illusion of knowledge.” — Daniel Boorstin Photo taken at Cheyenne Mountain Zoo 2014. #giraffe #giraffes #zoo #giraffeaday #heartgiraffes #wildlife #quotes #photooftheday #latergram #Ilovegiraffes #giraffeworld #giraffesofinstagram #quote #threatenedspecies #HeartGiraffes_PhotoaDay #cheyennemountainzoo
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