1.-Bull yellow is a district of Costa Rica, part of the canton of Valverde Vega in the province of Alajuela.
Yellow 2-torus is a waterfall in Costa Rica, whose water comes from a volcano, so it brings a lot of acids: clouds of pulverized water irritate the eyes and difficult to see. A spectacular height this cataract falls in a deep canyon, surrounded by walls of Red Rock producing a deafening noise.
