Simple, effective and actually really scary.
Inventive, original and a breath of fresh air in the action genre. Has the best fight scenes in any action film of its kind, and it's thrilling and heart-pumping.
The cinematography is outstanding (I particularly like the scene when the camera 'jumps' down the hole and there's a little stagger). It also clearly shows every punch, kick and throat-cut with perfectly-timed movements and framing. The director allows the action to breathe beautifully and this is something that is missing from…