Hello there! There is a way to get up on the alliance starting roof, a good spot for just showing off or baseraping alliance when horde wins with 5-0 as usual.
I took pictures and stuff so it would be easier to understand.
First, run to this corner.
Run as much as possible in to that corner, then mount up when you cant get further.
When you're mounted, jump one or two times to get as much up there as possible. Then turn around to face the alliance building.
Just run out in the air facing the alliance building and you'll get up, you might get some problems on the roof, then you can just run to the side of the ally building in the air next to the roof and get up fully.
Then you're up! as this final picture shows you can go to different places here, either go infront of that clock for whatever reason you might have, or go to the left and rape alliance when they get resurrected.
That was all from me, thank you very much for reading. I am very sorry if this is a repost, I searched but could not find anything that had to do with the alliance starting roof, but please, if you find something please notify me and I will delete this thread.
peace!