On the picture (from left to right):
A noria (from Syriac: ܢܥܘܪܐ, nā‘urā / = vertical wheel for lifting water out of a river for the purpose of irrigation) ; the Yıldız Hamamı (Turkish bath) and the Hatuniye mosque, both built in 1510; and a glimpse of the Hazeranlar Konağı, a large 19th century mansion that is now an ethnographical museum.
In the background: Two royal Pontic rock tombs (3th-2nd century BC).

Correspondent: J.M.Criel, Antwerpen.
Sources: ‘Türkye Tarihi Yerler Kılavuzu’ – M.Orhan Bayrak, Inkılâp Kitabevi, Istanbul, 1994 & Wikipedia.