Welcome to the International Horticultura Expo As we all know that xi'an hosts the International Horticultura Expo The International Horticultura Expo 2011 will be heid for the first time in xi'an，so it is a great honour for our It is a great honour for all chinese，As a host of city，we will have more chances to meet many foreigners and As a student in Shaan'I shoud learn English well so that i can be a velunteer in the word EI wang to help visitors who come from all over the I will help them konw more about Shaan'I will help clean up the city parks in order to make our city more I will do my best to welcome the world E
