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Antarctic Peninsula
36
Antarctica
Palmer Station
32
Antarctic Ocean
20
Snow
20
Ecological stations
16
Scientists
14
Underwater photography
7
Biology--Field work
5
Scuba divers
4
Sea ice
4
Glaciers
3
Research vessels
3
Docks
2
Kelps
2
Ocean bottom
2
Boots
1
Deep diving
1
Ecological Stations
1
Grasses
1
Ice--Antarctica
1
Icebergs
1
Intertidal zonation
1
Kelp
1
Krill
1
Lichens
1
Limpets
1
Sledding
1
Sun--Rising and setting
1
T-shirts
1
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