Are there any trash cans or helmets in the photo?
No, there are no helmets or trash cans.
    src        edge_attr  dst
0     0   to the left of    5
1     0  to the right of    1
2     1   to the left of    0
3     2               on    7
4     2  to the right of   11
5     5               on    6
6     5  to the right of    0
7     7               on    0
8     8  to the right of   10
9     8   to the left of    9
10    8               on    7
11    9  to the right of    8
12    9  to the right of   10
13   10               on    7
14   10   to the left of    8
15   10   to the left of    9
16   11   to the left of    2
17   11               on    7