The narrative take topographic point on the Discworld, a planet-sized level phonograph record transport through infinite on the back of four immense elephant - Berilia, Tubul, Great T’ Phon and Jerakeen - who themselves stand up on the shell of Great A’ Tuin, a mammoth sea turtleneck. The surface of the phonograph record incorporate ocean and continent, and with them, civilization, city, forest and mountain.