The four sites identified were the Meir Tweig Synagogue and the Al-Habibiyah Jewish Cemetery, both of which are in Baghdad; the Sasson Synagogue in Mosul; and the 12th century Shrine of the Prophet Nahum in the northern Iraqi town of Al-Qosh.This out of 368 that the JCHI assessed. It judged that 27 needed immediate attention.
Background on the (traditional) Tomb of Nahum is here and links. Last I heard, it was undergoing urgent repairs.
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