Would you rather...

[Maytree]

Have a facility where it sucks the atmosphere into a portal that leads to the another dimension named airex reactor.

Spoiler: Big images

Or a facility that possibly controls particle storms named weather control.

Spoiler: Image of Hl2 Beta map

 

[Maytree]

If you don't know about particle storms and doubt that Airex exchange was a facility that maintained a portal storm.

Spoiler: Particle storm information

Spoiler: Marc laidlaw approval