Nearly 3,000 meters below the Pacific, an expedition camera locked onto a seafloor formation so sharply geometric it triggered stunned reactions aboard the ship. Researchers aboard the exploration vessel Nautilus filmed a dried lakebed formation paved with fractured volcanic rock at a depth of 3,000 meters on the Liliʻuokalani Ridge, within the Papahānaumokuākea Marine National Monument. The 20-second video s... [4187 chars]
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