activities, hiking, cliff is one of the activities is very challenging, steep cliff may be made of any number of people, one who fights a simple cliff climbing, it is kind of sport.but it can also be dangerous for those who do not have the knowledge in theory and practice the good enough but must rely on the skills and training that may be required to take over the years as this kind of sport is not limited to only professional athletes, cliff.The Rock must be used to increase flexibility, stability, in the thoughtful decision making, creativity, concentration and the determination to cope with the difficulty of rock,
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