Is the snow on the ground white and fresh?
Yes, the snow is white and fresh.
    src        edge_attr  dst
0     0  to the right of   30
1     0  to the right of   12
2     0  to the right of    6
3     0               in   15
4     0  to the right of   21
..  ...              ...  ...
74   30   to the left of   12
75   30  to the right of    6
76   30   to the left of    0
77   30  to the right of   25
78   30   to the left of   20

[79 rows x 3 columns]