Photo from RealNZ.com: Glowworm Caves – RealNZ, December 13. The boat guide does not actually use a flashlight, that appears to be just for this photo. Share this:Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)