They must have thought it was science fiction, that or whoever wrote it is so much of a zoomer that s/he doesn't realise that the war wasn't long ago at all.
It's by Wojciech Smarzowski. A little disappointing after the hype, however it doesn't try to Polewash the past. Some of the filmography is beautiful too.
How could such Polish history be lost over time. Mass grave of nearly 200 prisoners of war found at former Stalag II D camp in Stargard Stalag II-D Stargard was a World War II German Army prisoner-of-war camp located near Stargard, Pomerania. It housed Polish, American, French, Dutch, Belgian, Serbian, Soviet, Italian and Canadian prisoners of war, and Polish civilians.