The accumulation of knowledge and social progress, so that people's research vision gradually expanded, some conclusions are drawn from the essential attribute of tourism is getting closer. During the Second World War was in full swing in Yuanyangtitian photography time, relative calm of neutral Switzerland, tourism research breakthroughs have appeared significant. In 1942, Professor University of St. Gallen Henize Kerr (WalterHunziker) and the University of Bern, Professor Ke Leifu (KurtKrapf) in the "Travel Summary Subjects" This monograph presented their definition of tourism: "The phenomenon of non-tourism settlers The sum of the travel and temporary residence caused by the phenomenon and relationships, these people will not lead to long-term settlers, and does not engage in any profitable activity. "In this definition, the two scholars to travel on a broader social space research, attention to the social tourism, but played down the tourism economy, which had a great impact on future generations. Before World War II, tourism developed regions in Europe, the center of tourism research also in Europe, Europe has a good tradition of tourism research. After World War II Yuanyangtitian photography trips, North America became the center of the world economy, while the original tour of Europe became a prosperous center of the ruins, tourism research accordingly transferred to North America. Reconstruction of Europe requires a lot of money Yuanyangtitian photography, tourism has become an important means of many European countries attach importance to economic recovery and development, and they are actively engaged in tourism to attract North American tourists to Europe, North America, massive surge of tourists into Europe. 1960s, humanity has been significant progress in transport technology, jumbo jets in operation, making it across the ocean remote tourism has become a fairly cheap and easy thing to do, which led to more developed countries, Ben Guest around the world, this coming era of mass tourism. This far-reaching impact of mass tourism phenomenon greatly changed the pattern of world tourism, but also affect people's basic views on tourism. Provide direct services to the needs of tourists is tourism. It satisfies tourists in the tourism process food, housing, transportation, entertainment, travel, shopping and other needs, is a provider of tourism supply. It involves social production and service sectors are many, is a very complex industry. Generally believed that tourism is mainly from travel agencies, tourist hotels, tourist traffic, tourist attractions, tourist shops and other service units. The units in the provision of services to tourists is common, but the shape of their products is different, they provide different services in different areas within the business traveler, and through their service, so that the tourists throughout the tour process to be completed successfully, so contact between the various units in the business side is very close. How scientific and rational allocation of production factors relevant units of the tourism industry, providing quality products, most efficient service for tourists, is an issue worthy of attention. Yuanyangtitian photography folk songs | Happy Customer (certified) | Yuanyangtitian photography provided by the Guangzhou Culture Communication Co., Celestica. Celestica Guangzhou Culture Communication Co. (www.moco11.cn) is Guangzhou, photography background leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Happy passenger in leadership with the staff warmly welcome all inquiries negotiations to create a better future for Happy customer.