Why was the tower of Hercules made?

The Tower of Hercules, located in A Coruña, Spain, was built as a lighthouse to guide sailors safely to the harbor. Originally constructed in the 2nd century AD during the Roman Empire, it was designed to mark the entrance to the port and prevent shipwrecks. The structure symbolizes the importance of maritime trade and navigation in ancient times and has been recognized as a UNESCO World Heritage Site, reflecting its historical and architectural significance.