Almonda 285: geological discovery of the year in Portugal
An underwater exploration recently uncovered that the Almonda cave is the deepest in the country. Diver Armando Ribeiro has been the prominent figure in this project, which engaged dozens of speleologists and reached a depth of 285 meters.
A SIC TV Special on the exploration of the Almonda Spring cave. A joint effort AESDA - Associação de Estudos Subterrâneos e Defesa do Ambiente, XploraSub - Associação de Estudos Subaquáticos and GEM - Grupo de Espeleologia e Montanhismo.
Link to video:
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