Gerdab-e Sangi - Credit: Wikimedia Commons
Gerdab-e Sangi or Gerdau Bardineh (, Lurish: گرداوو بردینه) is a historical stony whirlpool from the Sassanid era located in Takhti Square of Khorramabad in Lorestan province, Iran. Read more on Wikipedia
Source: en.wikipedia.org