Shortly after the citadel exploded, Gordon's train was teleported to a beach in which was farther away from white forest than he anticipated. He makes his way through the coastline, caves, and outlands to destroy a combine weapon capable of destroying the rocket in white forest.
Promotional maps.
why is your breen poster (bottom left corner) sitting on that piece of metal that's leaning on the wall? The poster should be an overlay instead of a decal so it appears behind the leaning metal instead of on top of it.
Maybe the poster was applicated after the piece of metal :P