Is the weather foggy?
No, it is clear.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of    3
2     0  to the right of    7
3     0   to the left of    6
4     1   to the left of    3
..  ...              ...  ...
69   27  to the right of    5
70   27  to the right of    9
71   27  to the right of   15
72   27  to the right of   14
73   27  to the right of   16

[74 rows x 3 columns]