In Route Kanal inside the red boxcar there is a civilian with a bald spot. There is no way it is natural either. If you look at the place where it is on his head and the shape of it too.
I didn't read through all six pages, but I was just thought of this. Maybe just maybe it's a missile powerful enough to reach and destroy the orignal Lambda sattelite from Half-Life 1.
Well I always thought of this picture of Kleiner being more of an inside joke. Just because of that I wouldn't take this too seriously, but it could hold a few clues.
His hair is clearly brown. We won't mention his face because it's just old kleiner with young people hair. I just used that as...
It takes some practice, but you get pretty good at it. You just got to know how to curve and stuff. Like if you need to jump higher you can just turn right towards that point at the end.
I always thought when the people held their hand in the air like that they were trying to block the cameras view so they could get right in without triggering an alarm.
I think that they were in a circle like that for a reason. Think about it, you saw what was occuring all around you at the beginning of the game. With everything falling apart in there you were bound to die. The vortigaunt's must have known that you were very important and pulled you out of...
I like that theory. It makes sense because after all they are breeding there own headcrabs. Then again it would only be for the city crabs. I mean most likely regular headcrabs are coming out from the portal storms. Unless the supression field worked on a few other species such as headcrabs...