What place is this?
It is a station.
     src        edge_attr  dst
0      0   to the left of   21
1      0   to the left of   13
2      1             near    9
3      1  to the right of   12
4      1            below    3
..   ...              ...  ...
127   22   to the left of   15
128   22  to the right of    5
129   22   to the left of    7
130   22   to the left of    4
131   22  to the right of    9

[132 rows x 3 columns]