English: These are three of several petroleum tankers that were waiting at anchor in Scapa Flow. Protected by the scattered layout of the Orkney Islands, Scapa Flow provides a deep, calm anchorage at the fringe of what can often be a very turbulent North Sea. As such, the North Sea oil industry has infrastructure set up in Scapa Flow to allow supertankers to sail through stopping only to conduct offshore petroleum loading via mooring buoys, ship-to-ship transfers, or at the pipeline terminal/refinery. For this picture, the camera is located between Kirkwall and St. Mary on Mainland, Orkney Islands
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{{Information |Description={{en|1=These are three of several petroleum tankers that were waiting at anchor in Scapa Flow. Protected by the scattered layout of the Orkney Islands, Scapa Flow provides a deep, calm anchorage at the fringe of what can often