
In this Jan. 26, 2015 photo, Penguin footprints cover the beach in Punta Hanna on Livingston Island, part of the South Shetland Islands archipelago in Antarctica. (AP Photo/Natacha Pisarenko)
In this Jan. 26, 2015 photo, Penguin footprints cover the beach in Punta Hanna on Livingston Island, part of the South Shetland Islands archipelago in Antarctica. (AP Photo/Natacha Pisarenko)