Which side of the photo are the cars on?
The cars are on the left of the image.
     src        edge_attr  dst
0      0   to the left of   23
1      0   to the left of    1
2      0   to the left of   13
3      0   to the left of    5
4      0   to the left of   16
..   ...              ...  ...
99    23  to the right of    1
100   23   to the left of    3
101   23  to the right of    6
102   23  to the right of   13
103   23   to the left of   15

[104 rows x 3 columns]