2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/10451We introduce Void Hierarchy as an important property of the Large--Scale Structure in the Universe and demonstrate how it can be used to interpret observations. Moreover the void hierarchy constraints any realistic galaxy and structure formation scenario.2 pages LaTeX uses lamuphys.sty, 1 POSTSCRIPT figure included, poster presented at ESO Workshop ``The Early Universe with the VLT'' April 1-4, 1996, the full poster is available at http://www.uni-sw.gwdg.de/~ulindner/preprints.html or at ftp://eden.uni-sw.gwdg.de/incoming/ulindner/VLTpostervoids.ps.gzAstrophysicstext