The Ishtar gate was made from mud bricks as well as the rest of Babylon, but differently, from the rest of Babylon, it was covered in “blue enameled tiles which were thought to be of Lapis lazuli while the beasts were furnished in yellow and brown tiles. The gates measured more than 38 feet (11.5 m) high with a vast antechamber on the southern side.” (Garcia 3)
The Ishtar gate is one of the eight gates