Drained swimming pools
Nothing is as vast as empty things - Francis Bacon
Moselely Baths
Ten thousand years in the future, long after the Côte d’Azur had been abandoned, the first explorers would puzzle over these empty pits, with their eroded frescoes of tritons and stylised fish, inexplicably hauled up the mountainsides like aquatic sundials or the altars of a bizarre religion devised by a race of visionary geometers - JG Ballard
Victoria Baths
More abandoned swimming pools at Polar Inertia