What are the animals behind the dirt called?
The animals are elephants.
    src        edge_attr  dst
0     0  to the right of   16
1     0  to the right of    8
2     0   to the left of   19
3     0  to the right of    2
4     1   to the left of    7
..  ...              ...  ...
70   19  to the right of   15
71   19  to the right of   18
72   19  to the right of    0
73   19  to the right of   13
74   19  to the right of    1

[75 rows x 3 columns]