Part of the walls, Qalʿat Harim

Part of the walls, Qalʿat Harim

Part of the ruins of Qalʿat Harim

Part of the ruins of Qalʿat Harim

Qalʿat Jaʿbar, vaulted loophole

Qalʿat Jaʿbar, vaulted loophole

A side from historical Qalʿat Masyaf

A side from historical Qalʿat Masyaf

The citadel of Damascus during the restoration in 1985

The citadel of Damascus during the restoration in 1985

General view of Qalʿat Ibn Maʿn

General view of Qalʿat Ibn Maʿn

General view of Qalʿat Ibn Maʿn

General view of Qalʿat Ibn Maʿn

Numbering application example for floors based on a room in Bayt Ghazala

Bayt-Ghazala_room-19_floors

Numbering application example for ceilings based on a room in Bayt Ghazala

Bayt-Ghazala_room-19_ceilings

Hiraqla victory monument - Decorative stone panel

Hiraqla victory monument – Decorative stone panel

Raqqa, Aerial photo of Hiraqla vicotry monument

Raqqa, Aerial photo of Hiraqla vicotry monument

Hiraqla victory monument: isometric reconstruction

Hiraqla victory monument: isometric reconstruction

Hiraqla victory monument

Hiraqla victory monument

Al-Matbakh al-ʿAjami, muqarnas squinches of the iwan dome

Al-Matbakh al-ʿAjami, muqarnas squinches of the iwan dome

Hiraqla victory monument

Hiraqla victory monument

General view of Hiraqla victory monument, near Raqqa

General view of Hiraqla victory monument, near Raqqa

Squinch of the dome in the hall of upper floor, Qasr al-ʿAzm

Squinch of the dome in the hall of upper floor, Qasr al-ʿAzm

Raqqa, Qasr al-Banat, Northern Iwan

Raqqa, Qasr al-Banat, Northern Iwan

Raqqa, Remains of Qasr al-Banat

Raqqa, Remains of Qasr al-Banat

Raqqa, A side of Qasr al-Banat

Raqqa, A side of Qasr al-Banat

Raqqa, Qasr al-Banat, star-shaped fountain in centre of the courtyard

Raqqa, Qasr al-Banat, star-shaped fountain in centre of the courtyard

Raqqa, Qasr al-Banat, clay decorations

Raqqa, Qasr al-Banat, clay decorations

Raqqa, Qasr al-Banat, courtyard with southern Iwan

Raqqa, Qasr al-Banat, courtyard with southern Iwan

Raqqa, Qasr al-Banat, clay decoration

Raqqa, Qasr al-Banat, clay decoration

Qasr al-ʿAzm, terrace with portico in the upper floor

Qasr al-ʿAzm, terrace with portico in the upper floor

The men's quarters (Salamlik), Qasr al-ʿAzm

The men’s quarters (Salamlik), Qasr al-ʿAzm

Damascus, copper workshop in the Straight Street, where "damascening", an old Inlay-technique is still practised

Damascus, copper workshop in the Straight Street, where “damascening”, an old Inlay-technique is still practised

The Straight Street with Roman Arch and Minaret Al-'Umari

The Straight Street with Roman Arch and Minaret Al-‘Umari

Madrasat al-Firdaws, Decorative details of one of the arcade columns capital

Madrasat al-Firdaws, Decorative details of one of the arcade columns capital

Al-Khusrawiyya, view at the Madrasa courtyard in 2007

Al-Khusrawiyya, view at the Madrasa courtyard in 2007