Goslar: View of the Keep (left)— "Risslingsturm" (built 1505), & the old barracks (right)— "Söldnerkaserne".
The city fortifications included over 2 kilometres of walls— "Stadtmauer", ramparts and moats
and 50 towers and keeps with walls up to 8 metres thick. Photo: 1990— courtesy DJ Paton

Image of Goslar fortification.