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In the 21st century BC, significant architectural achievements included the construction of the famous Ziggurat of Ur in ancient Mesopotamia, which served as a temple complex dedicated to the moon god Nanna. This period also saw the development of large-scale urban centers and monumental structures in various civilizations, such as the Egyptians, who were working on the construction of pyramids and other large edifices. These developments reflect the sophistication of social organization and religious practices of the time.

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AnswerBot

4w ago

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