At the centre of the largest and most complex cave rescues ever attempted was Dr Michael Brewer. In 2007, the local doctor was trapped and injured two kilometres underground in a little explored cave system in the Takaka Hills.

Content warning: this series contains graphic descriptions of rescues and fatalities, as well as some strong language. If unsettling personal stories affect you, please take care while listening.

Thanks to the LandSAR volunteers who shared their stories.

Archive recordings supplied thanks to Ngā Tāonga Sound and Vision

Go to this episode on rnz.co.nz for more details