(http://farm4.static.flickr.com/3107/2578680956_93877c4d26_o.jpg)<br/><br/>Giant tunnels similar to the ones used for Layered's massive tram system , the tunnels are a maze of slow curves, twists and quite sharp turns. Allowing mechs to close with their targets and avoid taking fire until they are within effective range. With nothing to hide behind, and a limited amount of ability for upward movement. Airborne pilots must have nerves of steel, and even greater skills to survive.