One of the entrances in Qalʿat Salah ad-Din (castle)

One of the entrances in Qalʿat Salah ad-Din (castle)

Euphrates valley south of Qalʿat Najm as it looked before the flooding of lake Tishrin

Euphrates valley south of Qalʿat Najm as it looked before the flooding of lake Tishrin

Palmyra, Colonnaded axis and Qalʿat Ibn Mʿan in the back

Palmyra, Colonnaded axis and Qalʿat Ibn Mʿan in the back

View from afar to al-Mudiq Citadel

View from afar to al-Mudiq Citadel

An inscription on the wall of Damascus Citadel

An inscription on the wall of Damascus Citadel

The northern wall of the Damascus Citadel

The northern wall of the Damascus Citadel

Safita, The Donjon of the Templars with a chapel in the ground floor

Safita, The Donjon of the Templars with a chapel in the ground floor

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

The North West Tower of Damascus Citadel

The North West Tower of Damascus Citadel

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

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

Dura Europos (Qalʿat as-Salihiyya), Roman amphitheater

Dura Europos (Qalʿat as-Salihiyya), Roman amphitheater

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

Excavation works, Dura Europos (Qalʿat as-Salihiyya)

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

Jurn Kabir, a typical old house of the Euphrates valley near Qalʿat Najm with a large log (willow) transverse to the longitudinal axis.

Jurn Kabir, a typical old house of the Euphrates valley near Qalʿat Najm with a large log (willow) transverse to the longitudinal axis.

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

A side from archaeological city of Dura Europos (Qalʿat as-Salihiyya)

A side from archaeological city of Dura Europos (Qalʿat as-Salihiyya)

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

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

View on the Euphrates River from the site of Dura Europos (Qalʿat as-Salihiyya)

View on the Euphrates River from the site of Dura Europos (Qalʿat as-Salihiyya)

Restoration works at the Citadel of Damascus

Restoration works at the Citadel of Damascus

The northern wall of the Damascus Citadel

The northern wall of the Damascus Citadel

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

A small window in the middle of a niche- upper floor, Qal‘at Shayzar

A small window in the middle of a niche- upper floor, Qal‘at Shayzar

Temporary title for Image 68390

Temporary title for Image 68390

In the vicinity of a small town/village on the slope of a natural rock, possibly in the Afrin region

In the vicinity of a small town/village on the slope of a natural rock, possibly in the Afrin region

The southern tower of Qal‘at Shayzar

The southern tower of Qal‘at Shayzar

An Arabic inscription on the wall of Qal‘at Shayzar

An Arabic inscription on the wall of Qal‘at Shayzar

A building belongs to Qal‘at Shayzar

A building belongs to Qal‘at Shayzar

Byzantine decorated basalt stone reused in the construction of Qal‘at Shayzar

Byzantine decorated basalt stone reused in the construction of Qal‘at Shayzar