Does that fence look wooden?
No, the fence is metallic.
    src        edge_attr  dst
0     0  to the right of    4
1     0   to the left of    7
2     0  to the right of    3
3     0  to the right of    6
4     1   to the left of    4
..  ...              ...  ...
64   19  to the right of   15
65   19  to the right of   13
66   19  to the right of    9
67   19  to the right of   11
68   19   to the left of    3

[69 rows x 3 columns]