This 4K Stoked for Saturday time lapse video inside New Zealand’s Waitomo Glowworm Caves beautifully showcases the Arachnocampa luminosa glow worms that hang from the cave’s limestone ceiling.

The glowworms are actually a genus of five fungus gnat species that glow during their larval stage. The blue-green light in their tails illuminates their sticky, poison mucus-covered silk threads, attracting unsuspecting insects that become food for the larvae. The bioluminescent phenomenon creates sparkling constellations in the “sky” of the caves… an incredibly beautiful trap:

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Watch this next: David Attenborough narrates a Waitomo Glowworm cave tour.

via BoingBoing.

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