Prison Tower Unkel

"... The prison tower was built as a round tower during the construction of the Unkel fortifications around 1553 and received the baroque hood around 1700. The prison was located in the cellar vault. This is where the young Ludwig van Beethoven is said to have woken up after a night of drinking. ..."
romantischer-rhein.de/a-gefaengnisturm

The Unkel criminals were once imprisoned in the stately walls of this historic building, which you pass on the Rhine promenade. On the outer wall, a number of flood markers indicate that the "Father Rhine", much sung about in the Rhineland, leaves its bed from time to time and sometimes causes very severe flooding; such as in the Bläck Fööss "Einmol em Johr kütt d'r Rhing us em Bett", which you can listen to on YouTube if you are interested at =>

A very old prison tower with stone markings from the respective high water level with the year directly on the paved Rhine promenade, which is planted with a tree-lined avenue