14
Waitomo Glowworm Caves are in New Zealand. Waitomo
means “water hole.” These caves formed 30 million years ago.
Glowworms line the ceilings. They shine a bright light. The
light is blue-green. The caves look magical.
The glowworms are
larvae
. They’re the stage between eggs
and adult flies. They’re tiny. They spin silk nests. They start at
the ceiling. They lower threads down. They catch fish.
People take boat rides. They travel on an
underground river. They go 150 feet (46
meters) underground. They travel under
Glowworm Caves
chapter four