Throughout its existence of more than 150 years, the World Expo will bring new knowledge and development trends in a specific period, reflecting human civilization. Crystal Palace in London 185 1 The main attraction of the first World Expo: the palace with the longest length of 500 meters made of cast iron and glass. Subsequently, participating countries will provide similar advantages from time to time every few years.

Today, the World Expo is the Olympic Games of the world economy and culture, a competition between countries, and also a competition among private sector exhibitors on a certain theme. At the same time, this is about marketing the country internationally. The first type of exposition will last up to six months and may be held in a huge area. However, in an era when information and commodities can be obtained through the Internet and other technologies, they are still places for people to meet and communicate.