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    Striped mullets grazing on algae on Florida manatee in Crystal River, Florida, USA — Stock Photo
    Striped mullets grazing on algae on Florida manatee in Crystal River, Florida, USA
    Firehole spring at Firehole Lake Drive, Yellowstone National Park, Wyoming, USA — Stock Photo
    Firehole spring at Firehole Lake Drive, Yellowstone National Park, Wyoming, USA
    Young boy collecting long ropes of kelp seaweed on a rocky beach — Stock Photo
    Young boy collecting long ropes of kelp seaweed on a rocky beach
    Green surface and rocks of dirty river with harmful algae blooms — Stock Photo
    Green surface and rocks of dirty river with harmful algae blooms
    Thermophilic Algae coloring Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA — Stock Photo
    Thermophilic Algae coloring Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA
    Spring rolls served on a wooden tray with stones (Asia) — Stock Photo
    Spring rolls served on a wooden tray with stones (Asia)
    Algae and mussels on a sheet of paper — Stock Photo
    Algae and mussels on a sheet of paper
    A dry baking mixture for an algae gugelhupf in a glass jar — Stock Photo
    A dry baking mixture for an algae gugelhupf in a glass jar