Are there any cameras?
Yes, there is a camera.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of   14
2     0  to the right of    2
3     0  to the right of   19
4     1   to the left of    2
..  ...              ...  ...
91   25  to the right of   11
92   25  to the right of   12
93   25   to the left of   13
94   25  to the right of   21
95   25   to the left of    3

[96 rows x 3 columns]