Which place is it?
It is a train station.
    src        edge_attr  dst
0     0  to the right of   16
1     0  to the right of    6
2     1               on    8
3     1  to the right of    6
4     2        on top of    0
..  ...              ...  ...
60   14   to the left of   11
61   16   to the left of    0
62   16   to the left of   12
63   16   to the left of    2
64   16   to the left of    8

[65 rows x 3 columns]