2015, Spain, 35 min
Direction: Xanti Ugarte
Production: Aloña Mendi Espeleologia Taldea
Guest: Xanti Ugarte
The Aloña Mendi Speleology Group makes a revision of cavities that are thought to be terminated by terminal siphon. Urzulo is one of them. After forcing one small siphon, the cave continues as well as the challenge. A story with success and fails.