回复 :"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 said

回复 :"In the early years, transportation between Hefei and South Korea was not convenient

回复 :"The display of Child's work at the China Exchange, an organization in London, was the first time US-based collector, Stephan Loewentheil, had shared the original images of life during the Qing dynasty in Peking, now known as Beijing