Double-decker sightseeing buses for a new sightseeing bus line, the Green Line, are seen yesterday. Shenzhen Bus Group opened the new line yesterday, which connects Dongmen and Caopu in Luohu District, and Dafen Oil Painting Village, Gankeng Hakka Town, Wanda Plaza and South China City in Longgang District.   (Story on P7)             CNBUSES.Com