Archeologists have unearthed an ancient royal structure in the city of Natel located in the northern Mazandaran Province of Iran.
According to a report in Press TV, the quadrangular structure has a number of rooms, surrounded with porticos and a trench, which was filled with water and used to protect the building from attacks.
The monument was constructed with high quality materials and fortified with mortar and three-coat plastering.
Findings show that the building previously had beautiful architectural decorations and was ruined during battles.
The first phase of Natel archeological excavations also yielded a six-meter deep trench, built with large stones, mud, lime and plaster, which surrounds the entire city.
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