Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ancient City of Nessebar' has mentioned 'Middle Ages' in the following places:
Occurrence Sentence Text Source
Monuments from the Middle Ages include the 5xe2x80x936th century Stara Mitropoliya ("old bishopric"; also St Sophia), a basilica without a transept; the 6th century church of the Virgin; and the 11th century Nova Mitropoliya ("new bishopric"; also St Stephen) which continued to be embellished until the 18th century.
It is a place where many civilizations left their tangible traces: archaeological structures from the Second millennium BC, a Greek Black Sea colony with surviving remains of fortifications, a Hellenistic villa and religious buildings from the Antiquity,xc2xa0preserved churches (in some of them preserved only parts of archaeological structures)xc2xa0from the Middle Ages.
Its nature and existence is a result of synthesis of long-term human activity, which has witnessed significant historic periods - an urban structure with elements from 2nd millennium BC, classical antiquity, and the Middle Ages; the development of medieval religious architecture with rich plastic and polychrome decoration on its facades in the form of ceramic ornamentation typical for the period; the different stages in the development of the characteristic residential vernacular architecture, which testify to the supreme mastery of the architecture of the Balkans as well as the East Mediterranean region.