That shiny mod that vilifies the use of bloom and edgy lighting since 2010.
GLA Underground Citadel, the new tech building which allows the player to move the army inside the Tunnel Network and build Tunnel Networks around the map. It is also the prerequisite for many units and the host for various advanced upgrades and special powers.
Awesome model! It's really unique and the concept is really amazing! Textures fit to the model! Can't wait to see the new update! :D