Article table of contents: U
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The site of Umm Daraj is a mountaintop sanctuary located in the al-ʿUlā oasis (north-western Arabia) and connected to the ancient city of Dadan. It was in use during the second half of the first millennium BCE, under the dynasty of the kings of Liḥyān. Hundreds of Dadanitic inscriptions suggest that it was home to specific rituals, ḥgt and ẓll, held in honour of the god Dhū-Ghābat.
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See Darb al-Bakra
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Underground draining galleries are structures designed to channel groundwater to the surface. In Arabia, the first evidence of this dates to the end of the second/beginning of the first mill. BCE. They were used continuously until today.