
In this Jan. 24, 2015 photo, snow surrounds buildings used by Chile’s scientists on Robert Island, part of the South Shetland Islands archipelago in Antarctica. (AP Photo/Natacha Pisarenko)
In this Jan. 24, 2015 photo, snow surrounds buildings used by Chile’s scientists on Robert Island, part of the South Shetland Islands archipelago in Antarctica. (AP Photo/Natacha Pisarenko)