Soil map of the Critical Zone Observatory of Strengbach, Vosges forest, France, subterranean worlds. The atmosphere, soil and rocks at depth with the sensors scattered in the forest watershed. "CZO Space". Critical Zones. Observatories for Earthly Politics. ZKM, Karlsruhe. With the data of OZCAR French Network of Critical Zone Observatories and OHGE laboratory, Strasbourg. Alexandra Arènes, 2020.