地底大探险
主演：Rob Nelson
类型：纪录片
年份：2017
评分：0.0
地区：美国
播放：27
导演：
编剧：
影片介绍
Using cutting-edge technologies such as ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D imaging, scientists research fascinating underworlds of secret tunnel networks, ancient structures, and bizarre geological occurrences that offer glimpses into our history.
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