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Dense long spines of Copao de Philippi (Eulychnia castanea) cactus, Atacama desert, Chile

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Title: Dense long spines of Copao de Philippi (Eulychnia castanea) cactus, Atacama desert, Chile

Dense long spines of Copao de Philippi (Eulychnia castanea) cactus, Atacama desert, Chile

Credit: Gerhard Hüdepohl / atacamaphoto