Landscape for the tourist guide `Colombia´, by Ediciones Límite de Comunicación (Madrid). Series of ballpoint illustrations about natural parks and protected areas in Colombia, in this case the Barbosa mist forest. A foggy forest is a natural space of tropical or subtropical mountainous areas, with very humid and foggy weather all year round. In this case, a technique such as pen drawing can perfectly express the tremendously subtle tones of fog, and the infinite greenish colors of subtropical vegetation