Are the cameras to the right of the train?
Yes, the cameras are to the right of the train.
    src        edge_attr  dst
0     0   to the left of   16
1     0  to the right of   12
2     0  to the right of    7
3     0   to the left of    4
4     0  to the right of    1
..  ...              ...  ...
62   14   to the left of   11
63   15   to the left of    6
64   16  to the right of    0
65   16  to the right of    1
66   16  to the right of   12

[67 rows x 3 columns]