[He does manage to figure out how to go between pictures after only a moment, and lifts it up a little above Jun's head to look when he sees the first picture. He can guess that these two are Yuzu and Atsuro; he feels a little like it might make Jun depressed to see it. Then the other pictures, more people -- a woman kneeling to speak to huddled refugees, a man in front of a ruined storefront... He can guess what these must be of, too.
[But he moves back to the pictures of Tokyo, glowing at night, and lingers. ...this is the future. He can imagine Jun standing in this place, taking these pictures...]
Yes. [this is all he really has to say. smiles to himself a bit] We've come so far.