مستند غواصی در زیر آب و تاریخچه تجهیزات غواصی
754 بار بازدید -
6 سال پیش
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n antiquity, a hollow reed
n antiquity, a hollow reed served as an underwater link to oxygen. As in days of old, humans still need self-contained breathing equipment for a variety of reasons--food-gathering, commercial, recreational, military, and scientific. Dive with the best as we test scuba diving's past, and look to a future of mechanical gills.The History of Scuba Diving and Equipment documentary
6 سال پیش
در تاریخ 1397/04/08 منتشر شده
است.
754
بـار بازدید شده