There are no tarmac runways in Antarctica: all runways are ice.
Pilots slow the airplanes down to their minimum airspeed in order to maintain lift, and essentially glide or drift slowly onto the ice runways when they land. Note as well, that some airplanes are equipped with skis instead of wheels.
All airplanes are non-commercial and are military grade craft, flown by pilots experienced in landing in extraordinary situations.
they travel by boat or they could travel by walking
Skate
No. Of the 100 dogs that travelled to Antarctica with Shackleton, none survived. You can read more about them: http://www.enduranceobituaries.co.uk/thedogs.htm
Antarctica is one of the seven continents on earth. People are motivated to travel to Antarctica for the same reasons they are motivated to travel to the other destinations.
In the early stages of space travel a chimp was sent to find out if humans to can survive.
All people who travel to Antarctica arrive there or visit using military aircraft or ice breakers, scientific ice breakers or tour boats.
Your visa requirements in order to visit Antarctica are based on the requirements of the countries through which you travel to access the continent. Antarctica has no sovereignty, and thus, no requirement for travel papers.
You travel to Antarctica by air or by ship.
People may want to get spectacular views or want to achieve a target.
Because he wanted to explore Antarctica
to antarctica
Any temporary or travel shelter in Antarctica is provided by the person requiring shelter.