National Geographic Society has chronicled scientific expeditions, explorations, archeology, wildlife, and world cultures for more than 100 years, amassing a collection of 11.5 million photos and original illustrations. A small selection of that massive archive — 240 pieces spanning from the late 1800s to the present — will be sold at Christie’s in December at an auction expected to bring about $3 million, the first time any of the institution’s collection has been sold.
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