The eight amateur explorers have been trapped in an air pocket in the cave since Wednesday. Rescuers made contact with the group for the first time Friday. Divers have delivered warm clothes, food and water to them. The five men and three women were found weak and dehydrated in a dry crevice Friday. Seven of the eight tourists are students training to be social workers.
Reports say they took the tour to help develop their ability to face challenges in their careers.
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