Answer:
Ziggurat
Explanation:
This is the answer because:
In the Ancient Times, there used to be a large structure called the ziggurat. The ziggurat is an ancient Mesopotamian temple tower made up of a stepped pyramid with outside staircases and a temple at the top. The largest structure inside a city was a stepped pyramid called a ziggurat. The Mesopotamians were one of the first few people to build such structures.
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