On the border of Cadien
"Possible..." Barry grants, "but rather unlikely. Between the patrols, and the camouflaged radars..." He stop suddenly, looking embarrassed. "Please pretend I didn't say that..."
During your discussion, you moved closer to the city... and the fortress guarding it's access. Seeing the construction, you understand what Professor Callery meant. The castle is huge, sitting astride the very large river. Despite it's size, it looks half-way between a medieval building and a modern bunker. On the top of it's walls a crenelations, were multiple soldiers are standing. They try to act professional, but can't help but looking like fans looking at an arriving star.
Though it's massive metal doors seems able to stop a tank, they are currently wide open. Barry looks a bit sheepish. "Sorry for not unrolling the red carpet. We don't actually have one available. We barely got the plate instaled in time..." He points to a sign on the wall, describing the history of Castle Riviere. Of to the side, you can also see the box the sign came in.
The path through the castle is pretty twisted, clearly designed to delay attackers. Once you're almost through, Barry points to a Pokémon Center sign (also recently installed) mounted near the exit. Behind it, a nurse (also wearing a military uniform) waits for your arrival behind a counter, ready to heal your Pokémons.
"If I may have one of your Pokédex? I'll make a copy of the battle you had, to see if we can learn anything about that man."