La Muralla soy Yo (I am the Wall), is a UNICEF campaign working with companies in the tourism industry to prevent sexual exploitation...In Latin America the tourism infrastructure (hotels, airlines, travel agencies, bars,) constitutes a clear example of how an industry that can benefit the communities in which it operates, can also be used by perpetrators to sexually exploit children.[The] campaign...was launched by in 2008 in the city of Cartagena…One of the successful outcomes is how some hotel employees, taxi drivers and others who were directly or indirectly exacerbating the issue, switched to prevent it..Initial assessments show a significant increase in reported cases of commercial sexual exploitation of children and adolescents… The case of Cartagena shows how the tourism industry can mobilize itself, the authorities and the informal actors to boost the community's ability to protect its children and young people from one of the worst forms of exploitation.