Are the tall trees in front of a fence?
No, the trees are behind a fence.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of   11
2     0  to the right of   17
3     0  to the right of   19
4     1   to the left of   13
..  ...              ...  ...
89   19  to the right of   12
90   19  to the right of   14
91   19  to the right of   10
92   19  to the right of    2
93   19  to the right of   17

[94 rows x 3 columns]