Interesting to look at...
...but way longer than it needed to be.
The imagery and themes were captivating, puzzling, and disturbing, but it was stretched out over too long a time. This is meant to be a short, not a full-length film. Can you imagine how dull Un Chien Andalou would have been if there had been twenty minutes of aimless wandering in between the 'eye slicing' scene and the 'disembodied hand' scene?