More than 20 Bogota tourist businesses have signed onto "The Code," a UNICEF-backed initiative that trains employees to spot signs of child prostitution and report it…Luis Fernando, director of the District Tourism Institute, told Colombia Reports the city wanted to train 120 businesses using The Code in the next four years…"We're looking for more support from the private sector," Fernando said. Bogota hotels that opted into the initiative, for example, received training from the city's tourism police for all levels of their staff, from managers to baggage handlers. The Code of Conduct for the Protection of Children from Sexual Exploitation in Travel and Tourism, or simply The Code, began in Scandinavia in 1997…