"Sarah Brown" wrote in message
...
In article
,
Mizter T wrote:

If all the shortcuts at stations around the Underground network were
made explicit then overall we'd be worse off. An element of herding is
necessary when dealing with the shear number of people that use the
Tube.

Fair point. This brings to mind the two different ways of getting to
the Circle Line platforms from Kings Cross concourse - the "official"
route, and the one you take if you know what you're doing, through the
deep-level barriers and along the Khyber Pass.

Where does the Khyber Pass refer to?