Firstly, this sport could not bring the economic benefits for the country and the players. It also can carry the burden on health. In addition, many adventure sports not known as this. Second, people and especially their family don't encourage playing dangerous sports. many people may fear having to watch these performances with a high percentage of the accident. true, many accidents have occurred when playing the sport. third, the adventure sports can endanger the lives of the players. they can also be disabled for life or death.
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