| The best way to explore them and see the unique blue light of the glow-worms clinging to them is on a black-water rafting trip. |
| That night, after dark, we descended to a cutaway in a hillside where we could view the tiny lights of glow-worms, a first for all of us. |
| Natural sources of chemiluminescence include fireflies, glow-worms and a variety of bacteria and fungi. |
| While some locals have ascribed the lights to UFOs, others blamed swarms of fireflies or even glow-worms. |
| Both were dressed in what looked like workmen's overalls made of Lucite chain-mail, or knitted glow-worms. |
| Driving out one evening from Cirencester, the road on either side was illuminated with the fairy lights of countless glow-worms. |
