It's a very conservative country, they were banned back in the 1980's, and that restriction is only now being slowly lifted and usually only on special occasions.
The ban on cinema is a pretty good example of why you need to be aware of cultural considerations if you intend to travel to Saudi Arabia..... it's pretty easy to get into trouble if you aren't aware of what's going on.
Worldnomads.com has some travel safety tips here:
Hope you find them useful.
Phil about 8 years ago