“Christianity” – certainly more than a collection of ancient texts, more than the memory of a Galilean rabbi, more than events in church history! All of these things come to life only in the interplay of humankind and space, which is constantly changing and has reshaped itself for centuries. In the ancient metropolises of the Mediterranean, the new Christian religion was constituted in the interaction of the respective city’s characteristics and inhabitants. Even today, the material culture of these people and cities still bears