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Mount Tamalpais in Marin County, northern California.
Team of U.S. Army marine corps soldier military war with gun weapon participating and preparing to attack the enemy in Thailand during exercise Cobra Gold training in battle. Combat force.
Green sea turtle relaxing on a vibrant coral reef in tropical waters. Underwater beauty and marine life conservation
Sewage treatment for waste from leisure boats. Septic, pump-out station for waste, black water tank, discharge of holding tank in a marine, harbor facility in Finland, Baltic sea
This outdoor underwater view shows a school of fishes swimming near a reef in the Galapagos Islands. Scuba diving shows concept of beauty, nature, and copy space.

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