You see, we're on a plateau 170 m above mean sea level (as measured in the Physics Annexe). Since the river Avon at the bottom of North Road is about 10 m above mean sea level, that puts our plateau a tenth of a mile above the city, just a few hundred metres away.
So sometimes you can look out from the top of a building and see a sea of mist in the valley, and sometimes you climb up to a university hidden in clouds.
Like roads in Georgian Bath, the main thoroughfare is on stilts.
The Acoustics section of Physics, with Wessex house hidden in clouds.