Is there any sand or snow?
Yes, there is snow.
    src       edge_attr  dst
0     0         wearing   10
1     0         wearing   22
2     0         wearing    1
3     0  to the left of    1
4     0  to the left of   21
..  ...             ...  ...
89   23  to the left of    4
90   23  to the left of    7
91   23  to the left of   16
92   23  to the left of    2
93   23  to the left of    3

[94 rows x 3 columns]