Context, always context and stratigraphy.
Then stylistic elements and whether (in this case) there is 'movement' in the beasts with flickering light.
Context .that cave's too new.
Stratigraphy of the cave base would show nothing that would give any relevance to the paintings.
Stylisitically it's local yokel playing with some local ochre
http://nautil.us/issue/11/light/early-humans-made-animated-art
Dan ? you're a big kid
M
No Caves were harmed in the making of this post, it's all done with Windows Paint
the clue is in the Thread title