Damascus, Khan Asʿad Basha al-ʿAzm, an arcade topped by a cross vault

Damascus, Khan Asʿad Basha al-ʿAzm, an arcade topped by a cross vault

Main fassade of Jamiʿ at-Tawashi mosque (video)

Main fassade of Jamiʿ at-Tawashi mosque (video)

Al-Matbakh al-ʿAjami: Qaʿa, section north-south, view to west

Al-Matbakh al-ʿAjami: Qaʿa, section north-south, view to west

Al-Matbakh al-ʿAjami: Qaʿa, plan and four elevations of room

Al-Matbakh al-ʿAjami: Qaʿa, plan and four elevations of room

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)

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)

Roman bridge in at-Tayyiba over the course of the Wadi az-Zaydi

Roman bridge in at-Tayyiba over the course of the Wadi az-Zaydi

Jamiʿ al-Utrush, western entrance

Jamiʿ al-Utrush, western entrance

Al-Madrasa al-Hallawiyya, main entrance

Al-Madrasa al-Hallawiyya, main entrance

Great Mosque of Aleppo, prayer hall interior and Shrine of the Prophet Zechariah

Great Mosque of Aleppo, prayer hall interior and Shrine of the Prophet Zechariah

Waqf of Ibshir Mustafa Pasha, Coffeehouse, interior, dome and muqarnas squinches

Waqf of Ibshir Mustafa Pasha, Coffeehouse, interior, dome and muqarnas squinches

Waqf of Ibshir Mustafa Pasha, Coffeehouse, view of destroyed dome

Waqf of Ibshir Mustafa Pasha, Coffeehouse, view of destroyed dome

Junblat house, the southern iwan decorated with marble and tiles

Junblat house, the southern iwan decorated with marble and tiles

Tartus, cathedral, interior view of the ruinous nave of the church

Tartus, cathedral, interior view of the ruinous nave of the church

Habuba Kabira, Mud brick construction - connection of wall, belt arch and dome rounding

Habuba Kabira, Mud brick construction – connection of wall, belt arch and dome rounding

Habuba Kabira, View from the inside of the room while constructing the dome

Habuba Kabira, View from the inside of the room while constructing the dome

Habuba Kabira, view over cantilever domes during construction

Habuba Kabira, view over cantilever domes during construction

Habuba Kabira, how three cantilever domes are connected (two cantilever domes are posed on a relieving arch)

Habuba Kabira, how three cantilever domes are connected (two cantilever domes are posed on a relieving arch)

Habuba Kabira, upper part of a cantilever dome construction

Habuba Kabira, upper part of a cantilever dome construction

Al-Madrasa al-Hallawiyya, the main entrance

Al-Madrasa al-Hallawiyya, the main entrance

Habuba Kabira, view into a plastered cantilever dome with openings and decorative layer

Habuba Kabira, view into a plastered cantilever dome with openings and decorative layer

Al-Matbakh al-ʿAjami: Qaʿa, section east-west, view to north

Al-Matbakh al-ʿAjami: Qaʿa, section east-west, view to north

Waqf of Ibshir Mustafa Pasha, Coffeehouse, the hall

Waqf of Ibshir Mustafa Pasha, Coffeehouse, the hall

Al-Madrasa az-Zahiriyya, prayer hall - historic photo of the collapsed central dome

Al-Madrasa az-Zahiriyya, prayer hall – historic photo of the collapsed central dome

Jamiʿ Aslan Dada, the dome of prayer hall (qibliyya)

Jamiʿ Aslan Dada, the dome of prayer hall (qibliyya)

Jamiʿ Aslan Dada, hall dome - squinch and muqarnas

Jamiʿ Aslan Dada, hall dome – squinch and muqarnas

Jamiʿ Aslan Dada, hall dome - squinch and muqarnas

Jamiʿ Aslan Dada, hall dome – squinch and muqarnas

Jamiʿ Aslan Dada, hall dome - squinch and muqarnas

Jamiʿ Aslan Dada, hall dome – squinch and muqarnas

Jamiʿ Aslan Dada, dome of the prayer hall (qibliyya)

Jamiʿ Aslan Dada, dome of the prayer hall (qibliyya)

Coffehouse Aslan Dada (vanished)

Coffehouse Aslan Dada (vanished)