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Many people will look back on tree-climbing (0) .. a simple childhood pleasure. It is the natural world's original test of human strength, stamia and agility. But these days, tree-climbing has turned (13) ... a more serious activity and has become (14) ... of the fastest-growing adventure sports in the country.
(15) ... the invention of expensive gyms with indoor climbing walls, tree-climbing was a cheap and simple way to get a similar type of exercise. These days, if you want to (16) ... part in organised tree-climbing activity, you (17) ... to wear a helmet and attach yourself to ropes in (18) ... you should lose your footing. But otherwise, tree-climbing is a very eco-friendly sport, involving minimum damage to trees or the environment and very (19) ... equipment.
(20) ... been told how to go about tree-climbing in a training session on the ground, you are then allowed to have a go yourself. Getting (21) ... the ground is perhaps the most challenging part of a climb. (22) ... that, it's about using your legs, (23) ... are much stronger than your arms, to drive yourself up the tree. Reaching the top and then abseiling down again is a source of great satisfaction. But if you want even more excitement than that, then branch-walking is the more demanding task (24)... offer
(15) ... the invention of expensive gyms with indoor climbing walls, tree-climbing was a cheap and simple way to get a similar type of exercise. These days, if you want to (16) ... part in organised tree-climbing activity, you (17) ... to wear a helmet and attach yourself to ropes in (18) ... you should lose your footing. But otherwise, tree-climbing is a very eco-friendly sport, involving minimum damage to trees or the environment and very (19) ... equipment.
(20) ... been told how to go about tree-climbing in a training session on the ground, you are then allowed to have a go yourself. Getting (21) ... the ground is perhaps the most challenging part of a climb. (22) ... that, it's about using your legs, (23) ... are much stronger than your arms, to drive yourself up the tree. Reaching the top and then abseiling down again is a source of great satisfaction. But if you want even more excitement than that, then branch-walking is the more demanding task (24)... offer