The New Zealand Railways Magazine, Volume 1, Issue 8 (January 15, 1927)

A Ghmpse of the world-ramed Glow-Worm Grotto at Waitomo. (Note the hanging threads of the glow-worms.)

A Ghmpse of the world-ramed Glow-Worm Grotto at Waitomo. (Note the hanging threads of the glow-worms.)

A Ghmpse of the world-ramed Glow-Worm Grotto at Waitomo. (Note the hanging threads of the glow-worms.)