<page_title> Xi'an Metro </page_title> <section_title> Lines in operation </section_title> <table> <cell> 2 <col_header> Line </col_header> </cell> <cell> 26.5 <col_header> Length km </col_header> </cell> <cell> 21 <col_header> Stations </col_header> </cell> </table>
Xi'an Metro's 2nd line is 26.5 km long, with 21 stations.