Doug Perrine / Hot lava from the 61G flow, emanating from Pu'u O'o on Kilauea Volcano, flows over seacliffs into the ocean on the first week of its ocean entry at Kamokuna, in Hawaii Volcanoes National Park, Kalapan...
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Philippe Clement / Black-legged kittiwakes (Rissa tridactyla) breeding on nests on ledges in sea cliff, Fowlsheugh RSPB reserve, NE Scotland, UK, May
