Are there fences in this scene?
No, there are no fences.
    src        edge_attr  dst
0     0   to the left of    8
1     0      in front of   15
2     0   to the left of   13
3     0   to the left of   14
4     0   to the left of   18
..  ...              ...  ...
89   23  to the right of   12
90   23   to the left of   13
91   23  to the right of    0
92   24   to the left of   10
93   24   to the left of   12

[94 rows x 3 columns]