Related Clues:
- Spots for snakes
- Rainwater conduits
- Sink features
- Hard rain sometimes will be too much for such
- Teenage Mutant Ninja Turtles' homes
- Needle users found in underground systems
- Sink holes
- Under-city tunnels
- Home of urban gators, purportedly
- Ratty places?
- Home to the Teenage Mutant Ninja Turtles
- Underground drainage systems
- Saps of energy