Answer 1:
Not many people go to Antarctica. Mostly only scientists go to Antarctica - and for only one reason - to study.
Answer 2:
Tourism to Antarctica is a surprisingly lucrative industry. There are many people who pay to fly over or cruise to Antarctica. There is no accommodation for them, but they simply want to glimpse the pure, majestic beauty of the region.
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You can review the site, below, to learn the names, nationalities and locations of the research stations in Antarctica.
AmericanCanadian
No humans 'live' in Antarctica, but people representing many governments work there as scientists and in support of science, so ethnically, you'll always be companions with a rich mix of nationalities.
Explorers to go to Antarctica to explore: this is their work.
There are usually several scientific groups of various nationalities living and studying on the Antarctic continent - so there will also be several languages spoken.
People dress warmly to go to Antarctica.
Antarctica
There are no towns in Antarctica.
The tourists go to Antarctica during the summer or the winter
Unless a child is allowed on a cruise ship, there is no way for a child to go to Antarctica.
Former President Barack Obama did not go to Antarctica during his time in office.