and managed to raise the alarm. the 15 year old is being treated for shockin 15 year old is being treated for shock in hospital. recent heavy rain is thought to have made the ground on stable. other hiking tracks in the blue mountains were closed because of flood damage and the risk of rock falls. but the british holiday makers were on a path that was considered to be safe. as a precaution, the local council is closing some of its walking trails. the issue is, it is not unprecedented. this is the third summer unprecedented. this is the third summer in unprecedented. this is the third summer in a row it has happened, and we know summer in a row it has happened, and we know the summer in a row it has happened, and we know the climate is changing. but i am we know the climate is changing. but lam so we know the climate is changing. but i am so concerned that i am just not taking i am so concerned that i am just not taking any i am so concerned that i am just not taking any chanc