This is the reason why we need to be aware of our own limitations, always respect safety rules and dive with people who are properly qualified, responsible and with the right training.  Date : August 17th 1995 - Location : Sistema Temple of Doom  Victim : Two open water divers and a female This tragic accident began as a dive store organized trip from Cozumel. The store owners had   received inquiries about cenote diving from customers. They decided to schedule a trip and hire a local Divemaster who had previously lived in the village of Tulum and was familiar with the local cenotes. He was not certified in cavern or cave diving, nor was he a 'qualified' guide. With five paying customers, the group traveled to the Gran Cenote located five kilometers from Tulum. The group of eight made the dive and thoroughly enjoyed the dive without incident. The spectacular beauty. shallow depths and crystal clear warm water had everyone enthusiastic and the 'hook of trust' was now in place with their guide. They decided to drive down the road to the Cenote Temple of Doom (known locally as Cenote Esqueleto) and make a second dive. Entering the cenote, the…