A couple days ago, we got an interesting rumor concerning Jaime Lannister in Season 6. I used it as an example of how information can be distorted through translation.
And just now I spotted this exchange on Twitter:
While this doesn’t quite confirm the rumor of Jaime’s scenes on the steps with the Tyrell troops, it does suggest that Jaime will be present for at least one outdoor scene in King’s Landing in S6. If Nikolaj said to his 60K+ Twitter followers, “HEY EVERYONE GUESS WHAT I JUST FILMED IN GIRONA,” I would be very suspicious. But this is a helpful bit of speculation fodder.