I love railway stations and airports. Particularly because they are rock-solid temples of permanence, whose primary purpose is to facilitate transience. There's nothing like returning time and time again to a transport hub that you know and love. The congruence of familiarity and incessant change can be very moving.

St Pancras is being hailed as a masterpiece of old-meets-new, and interestingly it is the architectural contrasts that grab your attention, not the usual delirium of shops and retail units (they're there – but they're hidden on the floor below the trains). It adds a kind of purity to the process of departure.

Here are a few little snaps of the new terminal.

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