Old woman keeper of the key at Novi Pazar--St. Peter church, built 10th century and founded 100 AD by a desciple of St. Peter--Fa. Matej, Olga Pleshkiova, Zica, Miloje--old woman was keeper of the key..The city also houses an old church from the 9th century, the church of St. Peter, referred to as Petrova crkva, which suffered offensive graffiti by ethnic Bosniaks in April 2008. On a hilltop overlooking Novi Pazar is the 12th century monastery of ?ur?evi stupovi, long left in ruin, but recently restored and with a monastic community using it, with plate glass to keep out the weather and preserve the fine frescos. The fine main mosque of the city, the Altun-Alem mosque, is the largest in this region of the Balkans and dates from 16th century. There are various other historic Ottoman buildings, such as the fine 17th century Amir-agin Han, a 15th century Hammam, and the 15th century Turkish fortress (all gone but the walls, the site of which is now a pleasant walled park in the city centre).