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PHOTOGRAPH BY HISTORY ARCHIVE, UNIVERSAL IMAGES GROUP/GETTY IMAGES
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Hidden details, revealed: The Battle of the Bulge was one of the bloodiest fights of WWII, but precise locations of specific events have been hard to identify due to the battlegrounds’ dense forest. That is, until now. Thanks to drone lidar technology, researchers have identified nearly 1,000 new details, including dugout shelters, bomb craters, fox holes, and trenches. Here’s what we know. (Above, an American airborne division moves through the forest.)
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