Which place is it?
It is a station.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of   15
2     0  to the right of    5
3     0            below   13
4     1  to the right of    5
..  ...              ...  ...
69   19  to the right of    9
70   19  to the right of   12
71   19               in    6
72   19  to the right of   17
73   19   to the left of   14

[74 rows x 3 columns]