of them jews sent there from all across europe nearly all of them were killed most of them in the dettori s. gas chambers others were also sent to auschwitz who didn't fit the nazi doctrine such as homosexuals roma and sinti polish political prisoners and jehovah's witnesses but this week is of course about more than numbers it's about the people as the world remembers the survivors and those who lost their lives and for more now on join john joined by correspondent simon young who is in auschwitz. simon what is happening there today. yeah i'm standing in the original auschwitz camp so-called our schlitz one camp where the machinery of killing really started and continued through most of the 2nd world war and tomorrow is the 75th anniversary of the liberation of auschwitz where more than a 1000000 people were murdered and incredibly survivors from that time people who'd been through the experiences that we have all read about how coming back here and they've been telling their stories they're here in the camp now revisiting the place where they knew so much suffering and i was just listen