the gate of rocca di bergamo fortress against the roofs of citta bassa, italy

alpi orobie alps bergamasque bergamo citta alta bassa italy lombardy memorial park parco delle rimembranze remembrance rocca sant eufemia hill architecture bastion hills building cannon citadel europe flag fortress gate house landmark landscape lanscape medieval museum old town rampart scenery sightseeing skyline terrace thuja tourism travel tree upper city urban roofs stone