Where is the snow?
The snow is on the street.
    src        edge_attr  dst
0     0               on    3
1     0   on the side of    3
2     0   to the left of    5
3     1               on    5
4     2   to the left of    5
5     4  to the right of   10
6     4   to the left of    5
7     5  to the right of    4
8     5  to the right of    0
9     5  to the right of   10
10    5  to the right of    7
11    5  to the right of    2
12    6               on    5
13    7   to the left of    5
14    7               on    8
15    9               on    5
16   10   to the left of    5
17   10   to the left of    4