Citadel of Rada'a - Credit: Wikimedia Commons
The Citadel of Rada'a () is a historic castle in Yemen, located in the center of Rada'a District. The citadel sits at the highest point of the district, and consisted the original part of the city of Rada'a. The construction of the citadel precedes the introduction of Islam and dates back to the year 243 during the reign of Shammar Yahri'sh, the Himyarite king.انهيار أكبر قلعة تاريخية في اليمن. Sky News Arabia. Retrieved January 4, 2018. Specifically, the upper part of the citadel dates back to the Hymyarite era. Later the citadel was restored and renovated during the time of Omar bin Abdulwahhab of the Tahirids dynasty. During this time, the other parts of the citadel were added, and the construction was ended during the time of Imam Yahya Hamid al-Din, who used the castle as a prison for the rebels. Its status as a prison lasted until the 1990s.تعرف على قلعة رداع التاريخية. Al-Moheet. Retrieved January 4, 2018. Read more on Wikipedia
Source: en.wikipedia.org