In summer 2020, the trains were unveiled at Wimbledon depot, and given the name Arterio. The operator said this symbolised its role as an artery for connecting the capital and beyond.

Removing the effects of any period of deformation by datuming or flattening selective reflection horizons should restore the structure prior to the datumed horizon, or the amount of deformation above the datumed horizon.

At the man’s heels trotted a dog, a big native husky, the proper wolf-dog, grey-coated and without any visible or temperamental difference from its brother, the wild wolf.

Now, Phorcys, it is known, was a variation of Orcus, the equivalent of Hades in the Uranid pantheon. Phorcys belonged to the Atlantean group of deities or monsters, who was reputed to carry off men to the Inner world and keep them imprisoned there, which was possibly a folklore memory of subterranean temples for magic rites.