On which side of the photo is the fence?
The fence is on the right of the image.
     src        edge_attr  dst
0      1  to the right of   21
1      1  to the right of   28
2      1  to the right of   39
3      2  to the right of   39
4      2   to the left of    5
..   ...              ...  ...
224   44   to the left of    2
225   44   to the left of   43
226   44   to the left of   31
227   44  to the right of   39
228   44   to the left of    5

[229 rows x 3 columns]