Are there any helmets that are white in this picture?
Yes, there is a white helmet.
    src       edge_attr  dst
0     0  to the left of   19
1     0  to the left of   18
2     0  to the left of   20
3     0  to the left of    5
4     0  to the left of    2
..  ...             ...  ...
59   21  to the left of    7
60   21  to the left of   11
61   21  to the left of    8
62   21  to the left of   15
63   21  to the left of   14

[64 rows x 3 columns]