This is the fourth and last post of the series on Colombia. (Check out the posts on San Andres, Bogota and Medellin by clicking on the links.) This time, I’m taking you to Cartagena -a city full of history. I spent a few days there, visiting the Cartagena Wall and the Bocagrande business area. I also went to the Castillo de San Felipe de Barajas, Cerrodela Popa, the Bocagrande area, the Church of Saint Peter Claver, etc. You’ll also see a man refining emerald of which Colombia is the biggest producer. Rendez-vous in Cartagena, Colombia.