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.
This is a recycled scene from our old mod Biocore that was never released, So we updated this small corridor for the mod.
you need to totally replace all the stuff outside the window because a view of a cliff from fifty meters away isn't astounding.