10 Stunning Photos Taken From 5,000 Feet Above The Earth Show Humanity's Footprint On The World.

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For nearly 40 years, American photographer Alex S. MacLean has been taking pictures from the sky.
MacLean is a fully-licensed pilot, and flies in a fuel-efficient carbon-fiber Cessna 182 plane, all the while recording nature, agriculture, architecture, and humanity from a bird’s eye v...