'The icebreaker "Nathaniel B. Palmer" has carried scientists to study the Ross Sea off this continent'
Antarctica
TRANSPORTATION: The icebreaker Nathaniel B. Palmer has carried scientists to study the Ross Sea off this continent
The icebreaker "Nathaniel B. Palmer" has carried scientists to study the Ross Sea off this continent
The icebreaker "Nathaniel B. Palmer" has carried scientists to study the Ross Sea off this continent
TRANSPORTATION
Antarctica
TRANSPORTATION