President Xi puts a lot of emphasis on environmental protectionImpressed by how the history teacher had influenced her son, Cho has encouraged Chinese students to go to South KoreaTVT入口"When the eldest of my two sons was in the third year of middle school, his history teacher, who had some experience in China, suggested the students go to live there and have a close look at the old country," Cho saidLetting them work here can make better use of their contribution, and also working in a country can give the foreigners more opportunities to develop a more profound understanding of the countryIn the urban TVT入口area of Hefei, there is a hill called Dashu HillWhat's the biggest challenge China faces, and how do you think the country should go about overcoming it? The biggest challenge could come from the changes