Which building is in front?

Gray building

The one on the right seems superimposed...

Gray building. The lighter buildings balconies wouldn't line up properly

I guess the grey

what is this sorcery?

Left

My eyes hurts after staring at this for a while... And my guess is left too (gray)

The one in front.

Why not both?

It all depends on your perspective of the sun.

Left one

I don't care.

Brown one

Brown one

Grsy building sooooooooo obvious

Gray... You can see the windows of the brown building being cutoff by the gray building

Mother Of God...

Omg WTF my brain hurts

The gray one idiots ! It all depends on how many potatoes you ate wil brushing a rabbits teeth !

The left one

Gray

Left one is in front

At the bottom u can see its the grey

left

gray

Left

So they're not side by side?

It's the same building but the sun is hitting the other side of the building isn't it?