What is covering the fence on the right of the image?
The branches are covering the fence.
    src        edge_attr  dst
0     0  to the right of   19
1     1  to the right of   19
2     1  to the right of   16
3     2  to the right of   19
4     3  to the right of   16
..  ...              ...  ...
77   20  to the right of   16
78   20  to the right of   18
79   22   to the left of    8
80   22   to the left of   15
81   22   to the left of    9

[82 rows x 3 columns]