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The five main geographical areas of Bolivia are the altiplano, the highland valleys, the yungas, the lowland rainforests, and the Chaco region. The altiplano (which means "high plain") is located in the west and is bordered by two Andean mountain ranges. The Western Cordillera is the natural boundary between Chile and Bolivia, and the Eastern Cordillera separates the altiplano from the highland valleys and the lowlands. South America's second largest lake, Lake Titicaca, is located in the altiplano. Lake Titicaca drains into the Desaguadero River, which empties into a shallow, salt-water lake, called Lake Poopó. |
 La Paz mountain landscape |  View over Lake Titicaca |  Mountain landscape north of La Paz |
 Cactus and mountain landscape near La Paz |  Nature of the Andes mountains |