题目

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An Expo is a unique event organized by the government of a country with the participation of countries and international organizations.It is characterized by a period of six months,a large and well attended.The capital city or restraint must seek the leadership of a proposed urban development.The Bureau International des Expositions (BIE),which is headquartered in Paris is an international intergovernmental organization responsible for the supervision,management and coordination of the Expo.Currently 108 countries are members of the BIE.
According to the BIE,Exhibitions are unique places of encounter where education is through experimentation,cooperation through participation and development through innovation.They reflect a message of universal interest,recreational and educational experience; experimental laboratories showing the extraordinary and new.
World's Fair has considerable influence because it has six objectives:
SUSTAINING THE INTERNATIONAL RELATIONS
An exhibition is a testimony of trust between nations and an important instrument of public diplomacy and cultural.Together,the states undertake,over several years to create and make live shows for major global citizens.
SHARING CULTURAL AND EDUCATIONAL
Each exhibition opens a dialogue between citizens and states around a theme of both current and visionary.Each pavilion is part of a multicultural world showing visitors different perspectives and innovative on a theme of universal scope.
ENCOURAGING THE GROWTH
Exhibitions are great catalysts for economic growth in the host city and the region and promote international trade.New industries are created and the host city becomes a destination of choice to live and visit.
WORK ENVIRONMENT
Each exhibition provides and uses the most advanced technologies to manage the site in the strictest respect for the environment.The production and use of energy and water and recycling systems are designed to have less impact on environment and sustainable development perspective.
RENEWING THE CITY
Exhibitions are great urban renewal projects.The architecture flourished,new living spaces are part of the city,transport improve,the benefit of the quality of urban life in the medium and long term.
EXPERIMENT WITH THE FUTURE
Exhibitions are laboratories of innovation for all participants:a preview of technological and scientific fact imagine possible futures and future progress.
Many innovations were born at world expositions since their first demonstration in London in 1851.La Tour Eiffel,emblematic building of the Exposition Universelle of 1889 is one example.The incandescent lamp,telephone,sewing machine,the steam engine or the lift are creations presented at World Fairs.Similarly,"The Blue Danube" by Johann Strauss is famous for its interpretation in 1873 in Vienna.

提问时间：2020-10-12

答案

An Expo is a unique event organized by the government of a country with the participation of countries and international organizations.It spans a period of six months,large and well attended.(The capital city or restraint must seek the leadership of a proposed urban development.)