The northern part of the square is composed of buildings ... Carolingian monastery and was, since the 8th century until its secularisation in 1805, one of the most important cultural centres in Europe ...

Simonson noted: "The brutalist style of Boston City Hall by Kallmann McKinnell & Knowles presents a completely different ...

in particular through the “Königshalle”, which still represents the best preserved and largely intact surviving example of architecture of the Carolingian era in Central Europe. All the buildings are ...