This document discusses conceptual representations of past space and time through artistic installations and gardens. It focuses on primordial elements like water, fire, earth and air, and how they are personified and represented in creation myths. It then discusses how these mythical elements can be covered or rediscovered in scenography installations using sand or vegetation. Several examples of installations, gardens, and landscapes are provided that aim to recreate past spaces through these primordial elements in an artistic, conceptual way.