Original: The Hanging Gardens of Babylon, also known as the Hanging Gardens of Semiramis, near present-day Al Hillah, Babil in Iraq, are considered to be one of the original Seven Wonders of the World.
Simplified: The Hanging Gardens of Babylon (also called the Hanging Gardens of Semiramis) and the walls of Babylon (near present-day Al Hillah in Iraq) are one of the Seven Wonders of the World.