Grafitti.. is an Art?

i always enjoy art.. in any form - music.. film.. scuplture.. painting.. anything.. everything of art in nature.

but is grafitti an art?

i was in Phily last 2004

i just love this.. on the wall nearby that DoubleTree Hotel i was staying.

.. and more ..

art.. a process or product of deliberately arranging elements in a way that appeals to the senses or emotions.

art.. it encompasses a diverse range of human activities.. creations.. modes of expression.

grafitti is an art