Is this a picture of a beach or a field?
It is showing a field.
    src        edge_attr  dst
0     0   to the left of   21
1     0   to the left of   19
2     1               in   18
3     1   to the left of   21
4     1   to the left of   19
..  ...              ...  ...
60   19  to the right of    1
61   20   to the left of   16
62   21  to the right of    1
63   21  to the right of    0
64   21      in front of   13

[65 rows x 3 columns]