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Public domain Windows Desktop wallpaper from US National Parks

Badlands National Park - South Dakota

Containing the world’s richest Oligocene epoch fossil beds, dating 37-28 million years old, the evolutionary stories of mammals such as the horse and rhinoceros arise from the 244,000 acres of sharply eroded buttes, pinnacles, and spires.

Photo credit to National Park Service

About

Mark W. Kaelin has been writing and editing stories about the IT industry, gadgets, finance, accounting, and tech-life for more than 25 years. Most recently, he has been a regular contributor to BreakingModern.com, aNewDomain.net, and TechRepublic.