Originally Posted by
Chokkoubin
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If you wanted to connect on int-int flights at T3 you'd have to go through flight connections security before you were released back into airside departures, which is where all the lounges are.
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Side question: Where do they check transfer visas on such transfer? (visa needed for airside transit for e.g. non-EU citizens with permanent residency inside Schengen. Or did they drop that nonsense?)