Although considered an underground environment by many, tea rooms continue to pop up almost in every middle-sized town.

The game takes place in a side-scrolling underground environment.

The animal has an unusual set of traits, which allow for a life in a harsh, underground environment.

It is done in both surface and underground environments.

The ropers described here are ones which dwell in caves and other such underground environments.

The entrance zone is where the surface and underground environments meet.

Slowly the movement initially created in an underground environment of bands, recording studios and managers, became more professional.

A mine rescue chamber is an emergency shelter installed in underground environments.

All considered, a highly efficient mechanism to move narcotics in an underground environment.

It was first discovered inhabiting a well, and is adapted for a lightless underground environment.