between 1999 and 2003 included several direct attacks on police and soldiers in the municipality. On December 12, 1999, 300 members of the FARC from the 9th and 47th fronts attacked the city's police station killing 9 policemen and wounding 4. One of the dead was Irma Rosa Gutiérrez, who was 6 months pregnant. On October 9, 2002, the FARC strapped bombs to an 11-year-old boy and sent him into the police station in the city's central park. The explosive was detected before it could be exploded. Post-conflict history San Luis has flourished since 2006, both economically and culturally. Argos S.A., Colombia's largest producer of cement, first set up operations in San Luis in 1985, but significantly expanded those operations in 2006, employing more than 500 people and investing more than $700 million US dollars. Since 2015, the city has seen accelerated construction including a new, ongoing investment named Porvenir II, creating a dam, a hydropower plant, and a lake that is expected to attract even more tourism. Demography 'Total' Population: 10 939 hab. (2015) 'Urban' Population: 4694 'Rural' Population: 6245 Economy The economy of San Luis is agriculture based, which is heavily based upon fruits, vegetables, livestock, and an emphasis is placed on harvesting and on the exportation of wood. The city's exportation of wood is celebrated the last weekend of June each year in the "Fiestas de la Madera" (Festival of the Wood). Ecotourism San Luis is still emerging as a tourist destination, and the tourism industry is focused upon eco-friendly tourism. The municipality has several interesting tourism destinations that are utilized both by visitors and locals alike. Cascada la Cuba (Waterfall The Cuba), is located at the side of the road that leads into the city, about 1.6 km from the Medellin-Bogota highway. The waterfall has a drop of more than 100m and is visited for its clean and clear water and natural environment. Cascada La Planta (Waterfall The Plant). This second waterfall requires the traveler to walk down a steep and narrow stone path. The waterfall is 30m contains a 15m x 10m body of water at the bottom in which visitors can swim. There is also an unsupervised diving platform to dive into the water below. El Dormilón (River Dormilón). The banks of the river are often used for picnics and the currents are such that one can swim in the river without much danger.