The Grey Bus Memorial at the former Hadamar extermination center , Germany ( 2024 ). Created by artists Horst Hoheisel and Andreas Knitz , this moving monument follows the footsteps of the Nazi euthanasia operation “ Aktion T4 ”, carried out with the knowledge , tolerance and active participation of many institutions in Germany . More information about the monument at grauerbus-braunschweig . de
Picture : CC SA 4.0 Whgler ( Wikimedia Commons ).