Арктические-антарктические водолазные погружения http://www.lookoutnewspaper.com/ice-diving-50c-operation-nanook/ Ice diving at -50°C, Operation Nanook Mar 25, 2020 Operation Nanook-Nunalivut 20200310NKAC0001D099_web.jpg Leading Seaman Bryan Ogle, clearance diver from Fleet Diving Unit (Pacific&...