The detail that explains why the colossus was one of the seven wonders of the ancient is because of its immense size
The colossus was one of the seven wonders of the ancient due to the gigantic size of about 100 feet tall.
Colossus of Rhodes can be regarded as one of the Seven Wonders of the Ancient World which was been documented by Greek writer and scientist Philo of Byzantium.
Apart from the immense it was made of an image of Sun god Helios, and bronze.
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