Which place is it?
It is a road.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    1
2     0  to the right of    6
3     1  to the right of    4
4     1   to the left of    2
..  ...              ...  ...
80   25  to the right of    8
81   26  to the right of   25
82   26  to the right of   19
83   26  to the right of   12
84   26  to the right of    2

[85 rows x 3 columns]