Photo taken on May 19, 2011, shows the Fangguang Temple on the Tiantai Mountain, where famed travel writer Xu Xiake of the Ming Dynasty (1368-1644) once traveled and recorded in his travel books, in Tiantai County, east China's Zhejiang Province. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua

A tourist visits an ancient post-road, where famed travel writer Xu Xiake of the Ming Dynasty (1368-1644) once traveled and recorded in his book, in Ninghai County, east China's Zhejiang Province, May 18, 2011. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua

Tourists visit in the waterfall area on the Tiantai Mountain, where famed travel writer Xu Xiake of the Ming Dynasty (1368-1644) once traveled, in Tiantai County, east China's Zhejiang Province, May 19, 2011. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua

Tourist visit the Guoqing Temple on the Tiantai Mountain, where famed travel writer Xu Xiake of the Ming Dynasty (1368-1644) once traveled and stayed, in Tiantai County, east China's Zhejiang Province, May 19, 2011. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua

A tourist takes a photo in front of a sculpture carved with the travel notes of famed travel writer Xu Xiake of the Ming Dynasty (1368-1644), in Ninghai County, east China's Zhejiang Province, May 18, 2011. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua

Tourists follow the path which famed travel writer Xu Xiake of the Ming Dynasty (1368-1644) once walked on the Tiantai Mountain in Tiantai County, east China's Zhejiang Province, May 18, 2011. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua

Tourists visit the restored West City Gate of Ninghai, where famed travel writer Xu Xiake of the Ming Dynasty (1368-1644) started his travel through the country 398 years ago, in Ninghai County, east China's Zhejiang Province, May 18, 2011. The Chinese government announced on March 30 that China's National Tourism Day will fall on May 19 each year, the date when Xu Xiake started writing his famous travel books. On the same day 398 years ago, Xu departed from Ninghai towards the Tiantai Mountain in Tiantai County of Zhejiang, beginning his 30 years of travel through the country and the writing of his masterpiece "Travel Notes of Xu Xiake." Photo: Xinhua