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The Autonomous Port in Sihanoukville, Cambodia, is a sprawling construction project that began in 1955. It is considered one of the most ambitious infrastructure endeavors in the country's history. The project involved the construction of a deep-water port, warehouses, and other facilities to facilitate international trade and shipping. The Autonomous Port has played a crucial role in boosting Cambodia's economy, promoting industrial development, and enhancing its connectivity with global markets.