Originally Posted by
Microwave
Better late than never, I suppose. Here are some pictures I took.
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Thank you for taking the time and effort to post this! (I've linked to the post in the Wikipost.)
This is the exact route we took arriving from LHR on AA (once we walked from T-4 Gate 41 through the underground passage to TBIT and processed formalities) between TBIT to T-4 later last month. In too much of a hurry to take notes or photos, but security was quick and easy here - much more so than it would have been at T-4!