National Geographic captures a tender moment between a polar bear mother and her cub in a photo by Martin Gregus Jr., as they wait for sea ice to return.
National Geographic captures a tender moment between a polar bear mother and her cub in a photo by Martin Gregus Jr., as they wait for sea ice to return. GMA National Geographic captures a tender moment between a polar bear mother and her cub in a photo by Martin Gregus Jr., as they wait for sea ice to return.