On which side of the picture is the fence?
The fence is on the left of the image.
     src        edge_attr  dst
0      0  to the right of   25
1      0  to the right of   17
2      0   to the left of   15
3      0   to the left of   26
4      0  to the right of   16
..   ...              ...  ...
133   26  to the right of   24
134   26  to the right of    0
135   26  to the right of   25
136   26  to the right of    3
137   26  to the right of   16

[138 rows x 3 columns]