Triple arch

Liverpool St

There is an escalator at the back of 155 Bishopsgate that leads to Broadgate.  The windows show the triple arches of Liverpool Street Station

City in a haze

Waterloo Bridge

Eight o'clock and it's going to be warm.

Claustrophobia

Old Street

The tunnels to the Great Northern line at Old Street are small and circular.  It's the only place in the Underground that I get a sense of claustrophobia, the suffocating weight of the ground above.