How did the great wall of china earn its spot on the "7 wonders of the world" list?

Built between the 5th century B.C. and the 16th century, the Great Wall of China is a stone-and-earth fortification created to protect the borders of the Chinese Empire from invading Mongols. The Great Wall is actually a succession of multiple walls spanning approximately 4,000 miles, making it the world's longest manmade structure.

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the anasazi indians were real pioneers and created roads and irrigation systems for watering their crops. they were also great architects and the cliff dwellings are one of their biggest achievements.

explanation:

just don't strip down in public lol