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Yihaotu is a team engaged in the planning and editing of travel books, best known in the market for its "Beautiful China Series" of illustrated travel guides. Its works generally follow the "Changyoutong" format, with topics centered on photography destinations, scenic spots and historic sites, ancient towns and cities, famous mountains and waters, and historic architecture in China. Representative titles include 100 Photography Destinations, 100 Ancient Towns, and 100 Ancient Cities. Drawing on the signed photographers of the Yihaotu Image Library, the team emphasizes a combination of text and images and accurate information; its books are published by Jiangsu Phoenix Science and Technology Press and have been well received in the travel-book market. Public information is limited, and the team's membership and individual backgrounds have not been systematically disclosed; the available material mainly reflects a collective approach to planning and authorship.