Why was the list of seven wonders of the world revised in the middle ages

 "Seven Wonders" can be traced to a Hellenistic recognition of trans-cultural human achievement that found expression throughout the Hellenistic world. For thousands of years, the Seven Wonders of the World have inspired humankind as representative works symbolic of the great civilizations of antiquity. In terms of innovative design, elaborate construction, technological mastery, and symbolic meaning, the Seven Wonders have not only showcased the high points of diverse civilizations, but tied humankind together in the common pursuit of intellectual excellence and self-expression.

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