The little girl who sang the "Song of Seven Sons" has become a knock-off diva today?(Photo) Photo compiled by Lu Xiaoni. Epigraph: 9 years ago, in 1999 when Macao returned to the motherland, a 10-year-old girl from Macao led the singing of the "Song of Seven Sons". The feelings of the wandering child expressed in the song deeply moved Chinese nationals. That clear...；