Al-Azraq Fortress armory.

Qasr al-Azraq ("Blue Fortress") is a large fortress located in present-day eastern Jordan. It is one of the desert castles, located on the outskirts of present-day Azraq.
Its strategic value came from the nearby oasis, the only water source in a vast desert region.
The settlement was known in antiquity as Basie and the Romans were the first to make military use of the site in the 3th. century. Later an early mosque was built in the middle. It did not assume its present form until an extensive renovation and expansion by the Ayyubids in the 13th century, using locally quarried basalt which makes the castle darker than most other buildings in the area, hence its name.
Later, it would be used by the Ottoman armies during that empire's hegemony over the region. During the Arab Revolt, T.E. Lawrence based his operations here
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