On which side are the bicycles?
The bicycles are on the left of the image.
    src        edge_attr  dst
0     0   to the left of   23
1     0   to the left of   21
2     0   to the left of   24
3     1   to the left of   23
4     3   to the left of   12
..  ...              ...  ...
64   24   to the left of   19
65   24   to the left of   21
66   24  on the front of   23
67   24   to the left of    4
68   24  to the right of    0

[69 rows x 3 columns]