View from the courtyard towards the northeastern side of the valley, Dayr Mar Musa al-Habashi

View from the courtyard towards the northeastern side of the valley, Dayr Mar Musa al-Habashi

Shaykh Anas shrine - al-Tar mountain south-east of al-Mayadeen - the dome from the inside

Shaykh Anas shrine – al-Tar mountain south-east of al-Mayadeen – the dome from the inside

Inner face of the southern walls of Halabiyya, tower 3

Inner face of the southern walls of Halabiyya, tower 3

General view of the Tetrapylon

General view of the Tetrapylon

A view of the fortification, Halabiyya-Zalabiyya

A view of the fortification, Halabiyya-Zalabiyya

Remains of arches in Halabiyya-Zalabiyya

Remains of arches in Halabiyya-Zalabiyya

Northern towers from inside the North Gate, Halabiyya-Zalabiyya

Northern towers from inside the North Gate, Halabiyya-Zalabiyya

Bas-relief with geometric and floral motifs

Bas-relief with geometric and floral motifs

A view at the town of Maʿlula

A view at the town of Maʿlula

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Remains of fortifications in Halabiyya-Zalabiyya

Remains of fortifications in Halabiyya-Zalabiyya

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Dura Europos (Qalʿat as-Salihiyya), Roman amphitheater

Dura Europos (Qalʿat as-Salihiyya), Roman amphitheater

Tomb tower of Elahbel, the Valley of Tombs

Tomb tower of Elahbel, the Valley of Tombs

View on the Euphrates river from Dura Europos

View on the Euphrates river from Dura Europos

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

View on the Euphrates river from Dura Europos

View on the Euphrates river from Dura Europos

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

The northern entrance of the historical city of Dura Europos (Qalʿat as-Salihiyya), end of 4th century BC

Shaykh Shibli shrine - al-Tar mountain, south -east of al-Mayadeen

Shaykh Shibli shrine – al-Tar mountain, south -east of al-Mayadeen

Mari (Tall Hariri), a side of the architectural remains

Mari (Tall Hariri), a side of the architectural remains

Tall al-Biʿa, view from afar

Tall al-Biʿa, view from afar

The gate of south-western side, Dura Europos (Qalʿat as-Salihiyya)

The gate of south-western side, Dura Europos (Qalʿat as-Salihiyya)

Excavation at Tall al-Biʿa, Ancient city of Tuttul

Excavation at Tall al-Biʿa, Ancient city of Tuttul

Halabiyya, entrance to the Praetorium, which is integrated into the city wall and dates from the time of Justinian.

Halabiyya, entrance to the Praetorium, which is integrated into the city wall and dates from the time of Justinian.

Halabiyya; remains of Basilica and Eastern wall,

Halabiyya; remains of Basilica and Eastern wall,

Tall al-Biʿa, Ancient city of Tuttul

Tall al-Biʿa, Ancient city of Tuttul

Remains of fortifications in Halabiyya-Zalabiyya

Remains of fortifications in Halabiyya-Zalabiyya

A view of the walls and the castle, Halabiyya-Zalabiyya

A view of the walls and the castle, Halabiyya-Zalabiyya

View on the Euphrates river from Dura Europos

View on the Euphrates river from Dura Europos

Mari (Tall al-Hariri), The Archive Hall in the Palace of Zimri lim

Mari (Tall al-Hariri), The Archive Hall in the Palace of Zimri lim