All the cities of the world are destined to expire, but İstanbul will live as long as mankind lives Zoologist Petrus Gyllius from Albi (1495-1555), who came to İstanbul in the mid sixteenth century to search for the city's monuments that dated back to the antique period, thus exfressed his feelings for what he had seen. Gyllius' reports are, today, a very important informational resource regarding the conditions of the antique period ruins in the mid-sixteenth century and for the current remains of monuments from the Byzantine period...