Is the concrete fence in the bottom or in the top?
The fence is in the bottom of the image.
    src        edge_attr  dst
0     0   to the left of   23
1     0  to the right of   21
2     0               of    5
3     0  to the right of   20
4     0   to the left of   12
..  ...              ...  ...
88   23  to the right of    6
89   23  to the right of    0
90   24   to the left of    4
91   24   to the left of   17
92   24  to the right of   15

[93 rows x 3 columns]