What is the shape of the Hateem?

What is the shape of the Hateem?

حطیم کی شکل کیا ہے؟
Explanation

The Hateem, also known as Hijr Ismail

Shape: Semi-circular

Location: Opposite the northwest wall of the Kaaba

Significance: Considered part of the Kaaba's original structure pilgrims do not walk within the space between the Hateem and the Kaaba during Tawa