Is there a fence or a bus in the picture?
No, there are no fences or buses.
    src        edge_attr  dst
0     0           behind   15
1     0  to the right of    8
2     2               on    6
3     2  to the right of   17
4     2  to the right of   19
..  ...              ...  ...
62   20   to the left of    3
63   21   to the left of   11
64   21  to the right of   19
65   21        on top of    9
66   21   to the left of    7

[67 rows x 3 columns]