Instead of an aray of boulders surrounded by gravel raked into lines, there is an ice rink.
Skaters must skillfully circle the stones, creating a similar pattern of parallel lines provided by the raking of gravel in a Zen Garden.
The horror version features the blood vista of 8th's rink, combined with half submerged human heads protruding through the ice as described in Dante's Divine Comedy (see links)-- xenzag, Jan 07 2019 Zen Garden Images https://www.123rf.c...417_zen-garden.html [xenzag, Jan 07 2019] Horror version with protruding heads https://www.college...ocytus_traitors.jpgCocytus, by Gustave Doré, 1857 [xenzag, Jan 07 2019] Excellent. [+]
Being embedded in ice, the heads would last a long time before they start to go off; a truly inspired detail.-- 8th of 7, Jan 07 2019 I put in that variation just for you.-- xenzag, Jan 07 2019 random, halfbakery