I really think that this could be a shallow grave of some sort. Why would they look at the ground like that in any other case? Ali looks like she is close to crying, but I'm sure fans are also close to tears just waiting on these answers!
Could these two be firing daggers back at Ezria? At this stage, it wouldn't be a surprise. Even if they have fallen out, you can expect them all to be friends again by the #FaceToFace finale.