The story of New Zealand and its people from its geological origins to modern day, hosted by William Ray, Māni Dunlop & Leigh-Marama McLachlan, with animation by Chris Maguren.
https://www.rnz.co.nz/programmes/the-aotearoa-history-show
Season 2 Ep 10: NZ Railways
From a standing start of little tank engines chugging along wooden rails, New Zealand built a vast rail network, made up of enough steel rail to wrap halfway around the moon.