A: This city is much larger than the one I live in, and I wonder if there is anything special that I need to keep in mind. B: Crime can happen anywhere, but it is a little worse here because of the poverty. A: Should I be vigilant about anything in particular? B: The train stations, airports, and tourist sites are favorite spots for pickpockets. A: When I see children on the street begging, what amount should I give them? B: I wouldn't suggest giving money to them. Most of them are put out there by adults who then take their money. A: Can I eat or drink anything I want to? B: Do not use tap water at all, not even to brush your teeth. Only eat fruit that has been peeled. A: Can I walk around and see the sights at night? B: I would be sure to travel in a group at night. Stay in well-lit areas.