Are there either any buses or cars in the photo?
Yes, there is a bus.
   src        edge_attr  dst
0    0   on the side of    2
1    0   to the left of    3
2    1  to the right of    2
3    2               on    4
4    2   to the left of    7
5    2   to the left of    1
6    3  to the right of    0
7    7  to the right of    2