Title: al- Insiyāq al-ramlī wa-khaṣāʼiṣuhu al-ḥajmīyah bi-Ṣaḥrāʼ al-Dahnāʼ ʻalá khaṭṭ al-Riyāḍ - al-Dammām (al-Mamlakah al-ʻArabīyah al-Saʻūdīyah)
Subjects: Sand dunes
Places: Dahnāʾ Desert, Saudi Arabia