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Ansião - expedition to the depths

Deep below, beneath the surface, a submerged cave awaits to be explored. A vertical descent into a well 45 meters deep. An underground fracture filled with crystal clear water. A team of 20 cavers set up an expedition to advance further in the knowledge of this submerged cave. This is the documentary of that deep expedition. _________________ At Photoguerra, we provide underwater filming (and photo) services for all types of productions. We have more than 30 years of experience in underwater photography and 40 years diving experience. We have all the needed equipment, from underwater housings with full control of cinema or photo lens and video feed to the surface, to powerful remotely controlled underwater lights and underwater communications. #photoguerra #Rui_Guerra #reddigitalcinema #shotonred #nauticam #underwater #filmming #cinema #filmagens #subaquáticas #underwaterphotography @redcamerausers #redweapon #keldan #wildlifefilmmaking #underwatercameraman #underwatercameraoperator #underwatercameras #keldanlights @nauticamhousings #underwatercinematography #bbc #discovery #nationalgeographic #underwatercommunications #underwateraudio #communications #spectrumfullfacemask