Zhoushan has three advantages: fishery, port and tourism. Zhoushan is the largest seafood production, processing and sales base in China, and is known as "China Fishing Capital". Zhoushan Port is one of the few natural deep-water ports in China, with numerous harbors, vertical and horizontal waterways and flat water depth. Zhoushan has well-preserved island natural scenery and rich tourism resources. Two national and two provincial tourist attractions have been opened, and the number of tourists in 2005 was 100 1.7 1 10,000. The total cultivated land area is10.9 million hectares, including paddy field1.kloc-0/0.9 million hectares and dry land 0.710.0 million hectares. The total area of forest land is 55,900 hectares. The unique fishing port landscape resources gave birth to Zhoushan's unique marine culture, such as profound marine Buddhist culture, long-standing marine culture, rich and rough marine folk culture, magnificent and wonderful marine landscape culture, marine commercial culture that travels all over the world, and "double support" culture of thousands of islands with deep fish and water. Zhoushan marine culture is different from inland farming culture, which is rooted in the ocean and has its own characteristics. Historically, Zhoushan marine culture has a long history. As early as the Neolithic Age, people fished and thrived in this mountain. Tangjiadun site group discovered in Ma 'ao Town, Dinghai, known as "the first village on a thousand islands", is the largest primitive village discovered in Zhoushan Islands, with a history of about 6,000 years. In recent years, Zhoushan has made many beneficial attempts in developing marine culture, such as holding an international sand sculpture festival, developing the martial arts culture of Peach Blossom Island, developing recreational fisheries, and holding international and domestic sports events.