Controversial filmmaker Ulrich Seidl seems to be back on form after his rather tame - well, at least for his standards - “Paradies: Hoffnung“.

For “Im Keller“ he's taking a look into Austria's basements and judging from the trailer it is rather ugly what he brought to light there. What could be the horror film of the year just celebrated its world premiere at the 71st Venice International Film Festival. Check the fascinating/disturbing trailer out below.