Imagine what Iwan Khosrow looked like in the past and he came out like this..
“The iwan is the council or the hall.”
Description of "Ewan Kasri"
The king’s residence in Persia is called the “White Palace,” and in its center is the “Iwan of Khosrow,” Khosrow’s throne room. On its walls were depicted the Battle of Antioch, which took place between the Persians and the Romans.
Many Persian poets described Iwan Khosri and were inspired by him. The most famous description of Khaqani is in the poem called Baywan Mada'in. Also in Arabic, Al-Buhturi described Iwan Kisri in his famous Sinata
Iwan Khosrow...the largest brick iwan in the world
Iwan Khosrow is considered the largest hall roofed with a brick arch in the world. It was built without relying on supports or reinforcement. Its height is 37 meters, and it was part of the facade of the palace of the Sassanid king Khosrow I.
Iwan Khosrau's wall thickness was 40 cubits * 40 cubits
The engineers who designed it told Khosrau that it would not crack except with the resurrection.
It is called (Iwan Al-Mada'in) after the city of Al-Mada'in in Iraq
It is located south of the city of Baghdad on the site of the city of Ctesiphon (ancient Ctesiphon, the capital of the Persian state).
Which is located in the Al-Mada'in area in Wasit Governorate, between the city of Kut and the city of Baghdad, on the banks of the Tigris River, about 35 km southeast of Baghdad. Al-Mada'in was one of the greatest cities in ancient Mesopotamia, and the largest city in the world from 570 AD until its fall in 637 AD. .
It is known locally and to the public as (Salman Pak), after the famous companion Salman al-Farsi, who is buried there.
The Persians called it “The White Palace” and locally it is called (Taq Khosrow), which is the remains of a large building that remains of the remains of (Khosrow Anushirwan). One of the kings of the Sassanian Empire, which is the Second Sasanian Empire, whose rule extended from Iraq, Iran, and parts of Asia. They occupied Egypt for ten years until the Romans expelled them, and their empire ended in the year 651 AD, corresponding to 30 AH, at the hands of the Muslims.
The beginning of the construction of this iwan was in 540 AD during the time of Khosrau I, known as (Anushirvan) (the immortal soul), after the military campaign against the Byzantines in 540 AD [1].
The iwan consists of two basic parts: the building itself and the arch next to it. The arch is 37 meters high, 26 meters wide, and 50 meters high, and is considered one of the greatest buildings of its kind in that era. The throne room - which is expected to be under or behind the arch - was over
Source: websites