Subject: Is it possible for a person to change his skin color in N pole

i would be intrested to know if let's a a black person(or any other race) 
goes to the north pole to settle down with several other groups of his 
race.The settlement he and his group had made is isolated from all human 
contect.let's say he has a family and generations after generations the 
people living in that area does not leave their surroundings nor come into 
contect with other people.is it possible for them to to have lighter skin 
after let's say a 1000 years?

Re: Is it possible for a person to change his skin color in N pole