St Catherine's Tower on the town wall of Stadt Blankenberg (Hennef municipality) dates back to the 13th/14th century and now houses a local history museum.
(February 2025)
(Foto: © Rüdiger Benninghaus)
#Türme, #towers, #Stadtore, #town_gates, #Stadtmauern, #town_walls, #Architektur, #architecture, #Stadt_Blankenberg, #Hennef

The Porta Nigra ("Black Gate") is Trier's landmark and was built in Roman times from 170 AD.
(February 2005)
(Foto: © Rüdiger Benninghaus) #Stadtore, #city_gates, #Porta_Nigra, #Trier