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Photo: saudipics, CC BY-SA 4.0 via Wikimedia Commons
Zabal Castle is a castle in the north of the city of Sakaka in the Al-Jouf region in the north of Saudi Arabia.
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Consists of 50 groups of erected stone columns and a number of stone pillars carved from sandstone. It is unclear when they were erected but some historians believe they belong to a temple built in the fourth millennium BC.
قصر مارد
Fortress dating back to the first millennium AD.