not allowed to come into the coffee snoop now >> now we return to a look at a pot pion year, lori jaip gliha found some dutch communities are pushing back on the spread of a permissive pot culture. >> welcome to the coffee shop. >> this is as far as i go. >> this is as far as you can go. i can go into the coffee shop, but must ask you to stay there because you are a nonresident of the country and not allowed to come into the coffee shop. >> mark is a coffee shop owner. in maastricht. it is at the heart of a backlash against the marijuana policy. the mayor is forcing the ban on foreigners to buy marijuana. >> they are not in to use the toilet or bathroom. i'm forced to discriminate, and i cannot understand why. >> maastricht it not far from germany, luxembourg and france. thousands of foreigners make stops, many coming to the marijuana business mark has owned. it's called easy going. it's a laid-back place for a fix. 90% of his customers crossed the border too buy weed. now his coffee shop is closed. the city shut it down because he refused to honour the ban imposed by the mayor. "america ton