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Image Orcas and penguins cropped.JPG about orca

Orcas swim by an iceberg with Adélie penguins in the Ross Sea, Antarctica. The Drygalski ice tongue is in the background.

File extension IFO contains meta information about DVD disc structure with exact placements of menus, audio tracks and video files.
Learn more about files, files extensions and how top open file with unknown extensions at File Extension Database