Where do you think is the snow?
The snow is on the mountain.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    1
2     0   to the left of   10
3     0   to the left of   11
4     1  to the right of    0
5     2               of    5
6     4               on    5
7     4  to the right of    5
8     5  to the right of   13
9     5               on    6
10    5   to the left of    4
11    6  to the right of    0
12    6  to the right of    8
13    6       covered by    5
14    8   to the left of    6
15   10  to the right of    0
16   11  to the right of    0
17   11               in    0
18   12          holding   15
19   12               in    5
20   13   to the left of    5
21   14         carrying    4
22   14               in    5