. >> mounir ouziz is a computer engineer. he's just driven down from paris. his wife and children are arriving later by train. their experience of non-halal tourism has not always been easy. >> meals can be difficult. when it's not halal, we can only eat fish. there's nothing wrong with fish but it's nice to have a little meat from time to time. we've never had any trouble but people do sometimes look at us a bit funny because my wife wears a headscarf. >> why don't we go on a muslim trip, dadarling? there are lots of sites s like this. nacer-eddine benchinoun runs a muslim-friendly travel agency called tourismeislamique.fr from his offices on the outskirts of paris. he says that, after taking off in turkey fifteen years ago, halal tourism is growing fast. >> there will be about two billion muslims in the world by 2030. in 2013, people looking for muslim-friendly holidays represented 6 percent ofof the global tourism market. that number has already risen a lot. this year, it's expected to be about 20 percent of global tourism. by 203030, it's estimated that h