The earliest remains of Persepolis date back to 515 BCE. The renowned complex exemplifies the Achaemenid style of architecture.
The United Nations Educational, Scientific, and Cultural Organization (UNESCO) has declared the ruins of Persepolis a World Heritage site in 1979.
The rainy weather of Fars province these days has created very attractive scenes at Persepolis. Following you can find the photos of the site retrieved from IRNA: