US-military base, Heidelberg-Pfaffengrund / Materials: approx. 0.98 m3 earth
Much has been written on the history of metaphors. Little is known about their materialization. There are objects in this world for which one prefers to use metaphors, since their true meaning extends beyond the functions or physical outline that they describe.
I dug a hole on the property of the US military airport in Heidelberg (Germany). The earth was placed on a bike path on German territory and served as a bump for reducing bicycle speed.