What are the vehicles to the right of the truck in the middle of the image called?
The vehicles are cars.
    src       edge_attr  dst
0     0              on   18
1     0  to the left of   15
2     0  to the left of   10
3     1         wearing    5
4     1              on    0
..  ...             ...  ...
93   22  to the left of   11
94   22  to the left of   16
95   22  to the left of   13
96   22  to the left of   19
97   23              of    1

[98 rows x 3 columns]