If you haven't been able to visit Auschwitz, here is a great documentary in
360°/VR: https://www.youtube.com/watch?v=EOM_CxAKB_Y
You can get a feeling of the massive, massive scale of the concentration camp
... which is one of the key learnings ... in this drone footage:
https://www.youtube.com/watch?v=449ZOWbUkf0
https://twitter.com/AuschwitzMuseum/status/1354353459219156992