On which side of the image is the fence?
The fence is on the right of the image.
    src        edge_attr  dst
0     0   to the left of   22
1     0   to the left of   27
2     0  to the right of   24
3     1  to the right of   26
4     1  to the right of   21
..  ...              ...  ...
89   27  to the right of   22
90   27  to the right of   21
91   27  to the right of   20
92   27  to the right of   25
93   27  to the right of   26

[94 rows x 3 columns]