Who is standing on the snow?
The people are standing on the snow.
    src        edge_attr  dst
0     0   to the left of   16
1     0   to the left of    6
2     0   to the left of   14
3     0  to the right of   11
4     3   to the left of    4
..  ...              ...  ...
59   16   to the left of   13
60   16  to the right of    5
61   17  to the right of   14
62   17  to the right of   15
63   17  to the right of   16

[64 rows x 3 columns]