Thousands of Jewish people from different parts of the world have taken part in an annual march in Poland to commemorate the victims of the Nazis.
The 'March of the Living' has been joined by survivors of the Holocaust in a 3-kilometer walk from Auschwitz to Birkenau.
Teddy Bolgar is a holocaust survivor originally from Hungary.
He has been travelling to the march from his new home in Canada for the past 14 years.
"I thought maybe the world learned something. I was disappointed. They didn't. Genocide, wars continued, so I became very pessimistic. And when I talk to younger groups I tell them maybe when it will be your turn to run this world, you will know how to learn in peace."
Organizers of the march say they hope it will prompt the young people of today to study the history of the Holocaust and examine its roots of prejudice, intolerance and hate.
Yoel Aryeh, a student from New York, is experiencing his first visit to a concentration camp.
"I am Jewish so I want to see the history of what it was like, what my ancestors went through not even 70 years ago, people are still alive that can still account for this and I think that it's important for myself and every Jew to come and see what happened to our people."
The first 'March of the Living' was held in 1988.
This week marks the 70th anniversary of the liberation of Nazi concentration camps in Poland toward the end of World War II.
