Gerardo Nieto, a native “Cartagenero,” film-maker and bike aficionado who has combined his two passions to present Cartagena in an exclusive way. Tours available in Spanish, English and Italian. Movie Bike Tour: we go to exclusive places and I tell you the history in a cinematographic way; and Manzanillo del Mar Bike Ride, an adventure ride on the beach through mangroves and fishermen's villages, dirt roads and a great lunch on the beach.