Secrets of the Underground Season 2 (2017)

IMDB: 6.8/10 ,Total viewed: 0
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.
GenresDocumentary
CountryUSA
Release Year2017
Duration1h
DirectorDominic Brigstocke
ActorsRob Nelson
ProductionLucky 8, Science Channel
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