In the exterior bell towers and belfries are absent. It boasts one of the few preserved three-tented belfries and medieval clock towers in Russia. UNESCO inscribed 32 towers onto its list of Belfries of Flanders and Wallonia in 1999. Between the cloister and outer boundary wall has 24 belfries. Siege towers/belfries were rolled up to the walls but were pushed back each time. During this century, belfries were added to many Armenian churches. The parapet between the belfries is much like a mission style. Typically, belfries are built next to their churches. The refectory and belfries are joined at the western side. Flanked by two small belfries, it projects a quaint but grand appeal. In 1999 thirty-two Belgian belfries were added to the UNESCO's list of World Heritage Sites. The 17th-century belfries of Gorokhovets are particularly noteworthy. In the Middle Ages, cities sometimes kept their important documents in belfries. They often came with belfries, a musical pavilion and a European pleasure garden.