Despite their strategic location in Barrancabermeja-the oil refinery city, which is the informal capital of Magdalena Medio-, the brick makers found it difficult to survive. Barrancabermeja是一座炼油城市,也是Magdalena地区的非正式首府。尽管这些制砖个体户们在该市所处的地理位置很重要,但是他们却发现很难在竞争中生存。