Check these sites for some answers.
http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS355&q=Mesopotamia+art
the Mesopotamians had a generally pessimistic view of life. How do the arts of their civilization reveal this?
2 answers
... and this question has already been addressed:
http://www.jiskha.com/display.cgi?id=1260285229
http://www.jiskha.com/display.cgi?id=1260285229