What animals are walking across the dirt?
The animals are elephants.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    2
2     0  to the right of   13
3     2  to the right of   15
4     2   to the left of    3
..  ...              ...  ...
92   24  to the right of   18
93   25   to the left of   14
94   26   to the left of    6
95   26          between   23
96   26   to the left of   14

[97 rows x 3 columns]