Throughout its existence of more than 150 years, the Expo will bring new knowledge from a specific period of time and trend of development, reflecting the human civilization. The main attractions of the first session of the World Expo in 1851 in the Crystal Palace in London: almost 500 meters long palace built of cast iron and glass. Subsequently, the participating countries will offer similar advantages to introduce from time to time every few years.

    Today EXPO is the economic and cultural Olympiad of the world, a competition among nations, as well as among exhibitors from the private sector on a given subject. At the same time, it is about marketing countries internationally. Expositions of the first category last a maximum of 6 months and may be held on an enormous area. But at a time when information as well as goods can be had through the internet and other technologies, they remain a place of rendezvous and of authentic experiences.

　　纵观其超过150年的存在，世博会带来大量的时间和特定时期的发展趋势，新知识，反映了人类文明。对世博会第一次会议的主要景点，1851年在伦敦水晶宫：近500米长的宫殿铸铁和玻璃建造。随后，与会各国将提供类似的优势，不时引进每隔数年时间。

　　今天，世博会是世界经济和文化的奥运会，各国之间的竞争，以及人从一个特定主题私营部门参展。同时，它是关于国家的国际营销。博览会第一类别的最后6个月最高，可能是在一个巨大的地区举行。但在信息以及货物可以通过互联网和其他技术有时间，他们仍然是会合地点和真实的经验。