Is there any tall grass or snow in the image?
No, there is grass but it is short.
    src        edge_attr  dst
0     1   to the left of   12
1     1   to the left of    7
2     1   to the left of    3
3     2   to the left of    7
4     2   to the left of    3
..  ...              ...  ...
64   18  to the right of   17
65   18  to the right of    3
66   18  to the right of   14
67   18  to the right of   15
68   18  to the right of   16

[69 rows x 3 columns]