There's street food everywhere in Chiang Mai.
Plenty of old buildings as well.
I like it here the way it is now, when I first came in 2009, internet was slow, True was the only real TV choice, mobile phone coverage was poor. Now I have high speed internet, can download any tv series/movie/book I want, google maps works everywhere, coffee shops all over starting at 25bht.
Some things change, usually for the better.