Is there a major spoiler in these Doctor Who set photos?

What's going on in these set photos from the new Doctor Who series? Fans are speculating that they show a major event in the lives of the mysterious time-traveling alien, the Doctor, and his friend Amy Pond.

Spoilers ahead...

These photos come via Wales Online, and well... click the next photo for the speculation about what they reveal. [Thanks Shaun!]

Is there a major spoiler in these Doctor Who set photos?

Why is Amy kissing the Doctor on the forehead? Is she leaving him for good? Presumably with Rory — although he's not in these photos, I can't help but notice.

Is there a major spoiler in these Doctor Who set photos?

And a tearful hug, which also seems to confirm the "Amy saying goodbye" theory. Is this one of the final scenes of season six?

Is there a major spoiler in these Doctor Who set photos?

Amy and the Doctor having a heart-to-heart.

Is there a major spoiler in these Doctor Who set photos?

More of that soul-baring chat.

Is there a major spoiler in these Doctor Who set photos?

The Doctor looks quite glum about something.

Is there a major spoiler in these Doctor Who set photos?

And here they are, just looking past each other.

Is there a major spoiler in these Doctor Who set photos?

And then... what certainly looks like the Doctor going into the TARDIS alone. Sigh.