Over 250 thousand people have visited Nazi concentration camp in 2015 . Visits have increased by 40 % since same period of the previous year . The number of visitors to Auschwitz has been increasing every year.
Over 250 thousand people have visited Nazi concentration camp in 2015 . Visits have increased by 40 % since same period of the previous year . January saw 70th anniversary of its liberation and a surge in interest .