Palmyra, Hadrian’s Arch, , 3rd century A.D., view from south at the entrance to colonnaded street

Palmyra, Hadrian’s Arch, , 3rd century A.D., view from south at the entrance to colonnaded street

Part of Qalʿat al-Qadmus

Part of Qalʿat al-Qadmus

Jisr ash-Shughur, Qalʿat Shugr wa Bekas from the inside.

Jisr ash-Shughur, Qalʿat Shugr wa Bekas from the inside.

Vaulted hall in the old city of Tartus

Vaulted hall in the old city of Tartus

View from the north to the middle overbuilt part of the suq (bazaar) of Khan al-Harir (right)

View from the north to the middle overbuilt part of the suq (bazaar) of Khan al-Harir (right)

The entrance into the castle of al-Marqab is framed by a stepped portal

The entrance into the castle of al-Marqab is framed by a stepped portal

View, from south, at northern overbuilt part of Suq (bazaar) of Khan al-Harir (Picciotto house)

View, from south, at northern overbuilt part of Suq (bazaar) of Khan al-Harir (Picciotto house)

Jamiʿ al-Utrush, western facade - decorated window

Jamiʿ al-Utrush, western facade – decorated window

Madrasat al-Firdaws, the marble prayer niche (mihrab) decorated with floral and geometric motifs

Madrasat al-Firdaws, the marble prayer niche (mihrab) decorated with floral and geometric motifs

Drawings at the entrance Qasr al-Hayr ash-Sharqi

Drawings at the entrance Qasr al-Hayr ash-Sharqi

Remains of a building from the extensions of Qasr al-Hayr al-Sharqi

Remains of a building from the extensions of Qasr al-Hayr al-Sharqi

ʿAyn Diwar, The Zengid bridge on the Tigris

ʿAyn Diwar, The Zengid bridge on the Tigris

View into a vaulted room of Najm Castle (Qalʿat Najm)

View into a vaulted room of Najm Castle (Qalʿat Najm)

Yabrud: Outer wall of the Greek Orthodox church "Konstantin and Helena", which once belonged to a temple

Yabrud: Outer wall of the Greek Orthodox church “Konstantin and Helena”, which once belonged to a temple

Yabrud, Residential house with covered terrace (riwaq)

Yabrud, Residential house with covered terrace (riwaq)

Great Mosque of Raqqa-Rafiqa, 8th/12th C.

Great Mosque of Raqqa-Rafiqa, 8th/12th C.

Baghdad Gate of Raqqa-Rafiqa, 10th c. onwards

Baghdad Gate of Raqqa-Rafiqa, 10th c. onwards

Tartus, museum in the former cathedral, view at western facade

Tartus, museum in the former cathedral, view at western facade

Upper part of the western facade, Maʿbad ad-Dumayr (Temple)

Upper part of the western facade, Maʿbad ad-Dumayr (Temple)

Raqqa, Qasr al-Banat, clay decorations

Raqqa, Qasr al-Banat, clay decorations

Raqqa, Qasr al-Banat, clay decorations

Raqqa, Qasr al-Banat, clay decorations

Raqqa - Remains of the southern arcade of al-Jamiʿ al-ʿAtiq (Great Mosque)

Raqqa – Remains of the southern arcade of al-Jamiʿ al-ʿAtiq (Great Mosque)

Qalʿat Jaʿbar, vaulted loophole

Qalʿat Jaʿbar, vaulted loophole

Raqqa - remains of the southern arcade of al-Jamiʿ al-ʿAtiq (Great Mosque)

Raqqa – remains of the southern arcade of al-Jamiʿ al-ʿAtiq (Great Mosque)

Raqqa, Madinat ar-Rafiqa wall - Excavations

Raqqa, Madinat ar-Rafiqa wall – Excavations

Main fassade of Jamiʿ at-Tawashi mosque (video)

View, from south, at northern overbuilt part of Suq (bazaar) of Khan al-Harir (Picciotto house)

View, from south, at northern overbuilt part of Suq (bazaar) of Khan al-Harir (Picciotto house)

Tartus, Qalʿat al-Marqab, Crusader castle, a courtyard in the castle.

Tartus, Qalʿat al-Marqab, Crusader castle, a courtyard in the castle.

Busra - Hammam Manjak - Restoration works

Busra – Hammam Manjak – Restoration works

Jamrin - The ancient bridge over Wadi az-Zaydi

Jamrin – The ancient bridge over Wadi az-Zaydi