Are there any vans to the left of the bus in the middle of the photo?
No, there is a car to the left of the bus.
    src        edge_attr  dst
0     0   to the left of    3
1     2   to the left of    8
2     2  to the right of   21
3     2  to the right of    9
4     3  to the right of    0
..  ...              ...  ...
67   23  to the right of   19
68   24  to the right of   15
69   24  to the right of   17
70   24  to the right of    3
71   24   to the left of    8

[72 rows x 3 columns]