Some of the book's most dramatic satellite images document the shrinkage of the Aral Sea.

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The three images document changes from August to February in an area near the south pole.

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In addition to staff naturalists, National Geographic Certified Photo Instructors are always aboard and available to photo enthusiasts at every skill level, ready to help capture fantastic images and document bragging rights.

FORBES: Connect

The images role is to document the moment.

FORBES: Stay Tuned for the Coolest Photography In The World

He added that Miss Spence went on the internet and asked him to download images to put on the document.

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