This is The Detail's Long Read - one in-depth story read by us every weekend.
This week, it's How To Save A Life by Ellen Rykers, published in NZ Geographic's May-June issue.
You can read the full article, with accompanying photos, here.
Fifteen years ago, New Zealand Search and Rescue foresaw a crisis – its volunteers were ageing, and the job is hard physical work. Enter the 176 teens of Youth Search and Rescue.
Check out how to listen to and follow The Detail here.
You can also stay up-to-date by liking us on Facebook or following us on Twitter.