Close-up of an ancient Celtic stone cross decorated with dogs and snakes. Photograph taken at Brompton Cemetery in London, England, United Kingdom. Sunlight. Natural colors. - stock photo

This Celtic cross from an ancient tomb is decorated by a circle with four balls that represent the 4 elements: water, earth, fire and air. The ball in the center of the cross represents the fifth element: the ether.This Celtic cross is also decorated with snakes and dogs.In the Celtic imagination, the snake is an animal endowed with immense powers and is associated with hell. The dog, on the other hand, is the messenger of the afterlife.