Galafilm - Naica: The Crystal Caves: Series 1 (2013)
HDTV | 1920 x 1080 | .MP4/AVC @ 4000 Kbps | 2x~50mn | 4.26 GB
Audio: English AAC 160 Kbps, 2 channels | Subs: English
Cave of the Crystals or Giant Crystal Cave is a cave connected to the Naica Mine at a depth of 300 metres, in Naica, Chihuahua, Mexico. The main chamber contains giant selenite crystals, some of the largest natural crystals ever found.