The two of them sharing a space on the tower is pretty much unheard of. But there were birds outside the windows, and they were more focused on the idea they might grab a feathery snack than they were that actual fur was touching.
Apparently, the sight of flying snacks was too much for Max, because he got down after about 10 minutes to nibble on some dry food. I presumed that was it for feline togetherness and put the camera away, but he came right back and watched the birds with Buddah for another ten minutes or so before Buddah jumped to the lower shelf to curl up for a nap.
I know better than to hope this signals any kind of kitty friendship...but it was nice to see them together and not fighting for a few minutes.