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Standing atop the Great Wall is a breathtaking experience. Alan Maca, an archaeologist and expert in ancient civilizations, describes it as being at the "top of the world." The wall stretches endlessly, interspersed with watchtowers that rise majestically against the rugged landscape. With the aid of satellite imagery, Maca intends to uncover the wall’s extensive history and possibly unearth additional sections that may be older than previously believed.