In 1944, the German-Jewish cameraman Rudolf Breslauer documented the events in Westerbork with film footage. Among other things, a transport can be seen there. There are now different versions of the film material. Here is a link to YouTube where you can continue searching:
Westerbork Film (colourized, with music)
I have only posted a few photos because, in my opinion, a personal visit to Westerbork (if possible) gives a much better and deeper impression of the exhibition and the area.