For centuries, if an archaeologist wanted to find an ancient or mythical site, they trudged through desert sands or rainforest thickets armed with little more than rumors, hand-drawn maps, historical accounts, biblical texts, and a lot of educated guesswork. But all that changed in the late 20th century when some of them began using a new tool: remote sensing. By gathering data and images from satellites and aircraft, researchers began to uncover a wealth of new finds. Like the glow of a flickering bulb, images taken from above shed light on previously dark landscapes.
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