Picture by Tim Cuff - 1 March 2019 - Paul Sangster speaks to a school group visiting the Pupu Hydro scheme, Golden Bay, New Zealand

- Image ID: WTJWGD
Picture by Tim Cuff - 1 March 2019 - Paul Sangster speaks to a school group visiting the Pupu Hydro scheme, Golden Bay, New Zealand
Tim Cuff / Alamy Stock Photo
Image ID: WTJWGD
Location: Takaka, New Zealand