Abîme This is the act of using ropes, harnesses and ladders to descend an abîme. This is the most popular activity besides the actual exploration of caves. It is also the most dangerous activity to do in a cave. The biggest danger comes from using poor ropes and ladders for rappelling down shafts. Many amateurs make this mistake and it leads to the most cave deaths. An extreme sport and requiring a person to stand at the entrance of an abîme and jump into the opening while pulling a parachute before hitting the cave floor. This is highly dangerous and should
Sport consultancy, the global sporting industry is worth up to $620 billion as of 2013. The world's most accessible and practised sport is running, while association football is its most popular spectator sport. The word "sport" comes from the Old French "desport" meaning "leisure", with the oldest definition in English from around 1300 being "anything humans find amusing or entertaining". Other meanings include gambling and events staged for the purpose of gambling; hunting; and games and diversions, including ones that require exercise. Roget's defines the noun sport as an "activity engaged in for relaxation and amusement" with synonyms including diversion and