“The very first thing we saw when we got in was these huge, pretty intimidating security doors! It seems like security are allowed in some of the site, mainly the lobby, though we did come upon a ‘security lounge’ and ran away before we could find out if it was still being used!” Jul 2011. This turnstile was used to exit the C015 office into the A lift lobby as C015 was outside the secure domain , being linked to Reception.