nandito, a veteran fisherman has opted for a late career change, now focusing on fish farming. breeding tropical species for the domestic fish tank is apparently much more lucrative than fish for the table. (rony monsalve perez) 70 percent of the city's waste water used to be poured into the lagoon. now, the government has invested a lot of money to treat the waste water and to bring it away from here, 2 km into the sea. - the bazurto market, is the lifeline of this hyperactive city. but some locals have negative feelings about this most authentic place, less sanitary than the city's supermarkets. (jorge escandon) probably the people who use a calvin klein or christian dior perfume don't like this kind of a smell, but it's very interesting to see the real things of cartagena. this is a popular market. everyone can come here, but some of the people feel scared to come here. they're saying there's thieves, things smell bad, there's dirty places things like this, but when you get used to come here, you get like a family and everybody smiles and you feel at home. (sophie fouron) sh