Answer:
It fell during an earthquake.
Explanation:
The colossus refers to a statue of Helios that was created in the city of Rhodes (Ancient Greeks.) Helios was known as the of Sun, and the local believed that he aided them during their successful defense against Demetrius Poliorcetes. They built the statue to celebrate the victory.
In of 226 BC, a huge Earthquake occurred on Rhodes and caused the statue to fell apart. Since the construction was extremely expensive, the Rhodes did not made any attempt to fix the statue.
