Are there both grass and snow?
Yes, there are both grass and snow.
    src        edge_attr  dst
0     0  to the right of    3
1     1             near    3
2     3             near    7
3     3   to the left of    0
4     3  to the right of    6
5     3             near    6
6     3             near    5
7     3             near    9
8     3          next to    1
9     4  to the right of    7
10    4   to the left of   10
11    4   on the side of    3
12    5             near    3
13    5          next to    3
14    6             near    3
15    6          next to    3
16    6   to the left of    3
17    7   to the left of    4
18    7          next to    3
19    7             near    3
20    7   to the left of   10
21    9          next to    3
22    9             near    3
23   10  to the right of    4
24   10   on the side of    3
25   10  to the right of    7