Black and white shot of the tourist pathway through the cave into the center chamber room of the mountain heart. Uhlovitsa Bulgarian: ãÃâ¦Ã»Ã¾Ã²Ã¸Ãâ ð is a show cave in the Blue Pools Area in the Smolyan Province of the Rhodope Mountains, southern Bulgaria. Many corallites can be found in the cave, A popular tourist attraction. The ceiling of the cave is covered with colorful stalactites. Illuminated with natural colors.