File:Xen halflife 14 AYool.jpg

Summary
Gordon encounters some placid bullsquids leisurely feeding from a stream as he teleports through Xen randomly in the immediate aftermath of the resonance cascade at Black Mesa.

Licensing: Fair use for Xen (Half-Life)
The poster of the rationale asserts that the image qualifies fair use for the following reasons:
 * 1) Valve Corporation has not release location-specific images into public domain.
 * 2) The image is necessary to describe the appearance of a unique location in Xen (Half-Life); nothing else.
 * 3) The screenshot is not intended to hinder the copyright owner's ability to sell the game.
 * 4) This image is a game screenshot.