Why Did The Holocaust Happen

DId the Holocaust Occur? Did the Holocaust actually occur? Some people say it did, others say it didn't, but there is enough evidence and things to prove that it actually happened and that it isn't a “ hoax “ or “ exaggerated “. Some people say that pictures taken were simply photoshopped or all together fake. People insist that the holocaust never occurred. They say that all the pictures were photoshopped and that the numbers were exaggerated, but there's too much evidence to prove that the holocaust actually happened. Their is still camps standing from the holocaust, as long as structures within the camps. Also, there are multiple pictures of people in the camps during the holocaust that aren't photoshopped or tampered with and piles of