What do the Walls of Babylon, the Ishtar Gate, and the Hanging Gardens have in common?

The Walls of Babylon, the Ishtar Gate, and the Hanging Gardens are associated with Nebuchadnezzar II, who ruled the Neo-Babylonian Empire. He is credited with major building projects that made Babylon a powerful and impressive city. Hammurabi lived much earlier, and these achievements were not Assyrian accomplishments.

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