On which side of the photo are the black animals?
The cows are on the right of the image.
     src        edge_attr  dst
0      0   to the left of   13
1      0   to the left of   12
2      0   to the left of    3
3      0   to the left of    2
4      0   to the left of   11
..   ...              ...  ...
114   17   to the left of   11
115   17   to the left of    4
116   17  to the right of    5
117   18  to the right of   13
118   18   to the left of    7

[119 rows x 3 columns]