Two girls resting at Mulligan Hinchinbrook Island, Great Barrier Reef, Australia

resting queensland holidays adults sunbathing people national park rock girls caucasian appearance sitting landscape great barrier reef rear view nature swimwear travel women water european ethnicity travel destination outdoors river vacations person young adult waterfall two people rocks bikini scenics bathing young women day australia beach thorseborn track dream island holiday island national park trekking wilderness