Nanjing opens suburban metro Line S3
http://www.metro-report.com/news/metro/single-view/view/nanjing-opens-suburban-metro-line-s3.html
Ground level station seems to be rare in China's metro stations which began service within 10 years.
That is Tianbao station on Suburban Metro Line 3.
By completion of Nanjing Metro's 8th line, the number of the lines became the same as Guangzhou Metro's network(except for GuangFo Line).
