Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Shenyang Metro
Table title:
Overview
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Line </th><th colspan=2 rowspan=1 > Terminals (District) </th><th colspan=1 rowspan=1 > Commencement </th><th colspan=1 rowspan=1 > Newest Extension </th><th colspan=1 rowspan=1 > Length km </th><th colspan=1 rowspan=1 > Stations </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > Shisanhaojie (Tiexi) </td><td colspan=1 rowspan=1 > Limingguangchang (Dadong) </td><td class="highlighted"  colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > － </td><td class="highlighted"  colspan=1 rowspan=1 > 27.8 </td><td class="highlighted"  colspan=1 rowspan=1 > 22 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > Putianlu (Shenbei) </td><td colspan=1 rowspan=1 > Quanyunlu (Hunnan) </td><td class="highlighted"  colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > 31.88 </td><td colspan=1 rowspan=1 > 26 </td></tr>
<tr> <td colspan=5 rowspan=1 > Total </td><td colspan=1 rowspan=1 > 59.68 </td><td colspan=1 rowspan=1 > 48 </td></tr>
</table>
Question:
What does the Shenyang Metro consist of?
Answer:
The Shenyang Metro consists of Line 1, which was opened in 2010 with a length of 27.8 km and 22 stations, and Line 2, which was opened 2012.