On this tour, you'll visit Serras de Aire e Candeeiros Natural Park, a protected park since 1979 that stands in the most important repository of limestone formation in the country. Here you have the chance to visit a variety of geological formations associated with karst topography such as salt pans, caves, poljes, ponors and sinkholes, among others. Besides that, Tugabuddies is a sightseeing tour agency that has been creating and...