【正文】
not to pollute the rock climbers leave rubbish on the mountains where they should take it with them and throw it will allow future climbers to enjoy a clean environment. advantages does rock climbing have?( 不超過(guò) 10個(gè)詞 ) It is fun and it also helps people fet worries. equipment does a climber need?( 不超過(guò) 10個(gè)詞 ) Good shoes and a harness. can climbers help protect the environment while climbing?( 不超過(guò) 15個(gè)詞 ) They should take the rubbish with them and throw it away.