Ninth century Hindu temple from the Gupta period, at Baroli, Rajasthan, India

The ruins of the ancient city of Carthage, Tunisia. Founded by the Phoenicians in the ninth century BC, Carthage reached its height in the fourth century BC as the centre of the Carthaginian Empire.

The ruins of the ancient city of Carthage, Tunisia. Founded by the Phoenicians in the ninth century BC, Carthage reached its height in the fourth century BC as the centre of the Carthaginian Empire.

Ninth century Royal Chapel of Summer Palace of Ramiro I, remodelled in the 17th century, at San Miguel de Lillo, Oviedo, Asturias, Spain, Europe

Ninth-century Christian frescoes, crypt ceiling, the Basilica of Santa Maria Assunta, Aquileia, Friuli-Venezia Giulia, Italy, Europe

Statue of Al Khwarizmi, a ninth century mathematician, Ichan Kala, Khiva, Uzbekistan

Ninth-century pre-Romanesque Church of St. Donatus, Crkva Svetog Donata, with Campanile, bell tower, of St. Anastasia's Cathedral in Zadar, Croatia, Europe

Stupas of Borobudur Temple; Yogyakarta, Indonesia

Buddha statue of Borobudur Temple; Yogyakarta, Indonesia