Which side of the photo are the trucks on?
The trucks are on the left of the image.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    4
2     0          pulling   11
3     0  to the right of    8
4     0  to the right of    7
..  ...              ...  ...
57   14  to the right of    4
58   14  to the right of    5
59   14   to the left of    0
60   14   to the left of    3
61   14   to the left of    6

[62 rows x 3 columns]