Is there any tall snow or grass?
No, there is grass but it is short.
    src        edge_attr  dst
0     0   to the left of    5
1     1   to the left of    2
2     1  to the right of    6
3     2  to the right of    6
4     2  to the right of    1
5     3   to the left of   10
6     4   to the left of   10
7     4   to the left of    5
8     5   to the left of   10
9     5  to the right of    6
10    5  to the right of    4
11    5  to the right of    0
12    6   to the left of    2
13    6   to the left of    1
14    6   to the left of    5
15    7               in    8
16   10  to the right of    3
17   10  to the right of    5
18   10  to the right of    4