Passengers and crew of the National Geographic Explorer ship gather to pay their respects to Antarctic explorer Ernest Shackleton, who died in 1922 and is buried in the former whaling village of Grytviken on South Georgia Island.

Passengers and crew of the National Geographic Explorer ship gather to pay their respects to Antarctic explorer Ernest Shackleton, who died in 1922 and is buried in the former whaling village of Grytviken on South Georgia Island.