The most beautiful sunset can be seen all over the world, but at the Zadar harbor, it will remind you of a unforgettable sunset and sea. On the Zadar coast of Croatia, there is a unique sea music organ in the world. This instrument is a 70-meter-long concrete structure with 35 sound organs. It randomly generates music through the power of seawater and wind, allowing people along the entire coastline to hear the beautiful music of this natural organ, achieving a harmonious unity of nature, music, and architecture. Due to the powerful and infinite power of sea tides and sea winds, this natural organ will endlessly provide infinitely changing music, as if the sea were telling people stories that have lasted for not only thousands of years.