Do you see fire hydrants in the picture that are not down?
No, there is a fire hydrant but it is down.
     src        edge_attr  dst
0      0  to the right of   18
1      0   to the left of    9
2      1   to the left of   16
3      1   to the left of   15
4      1   to the left of   24
..   ...              ...  ...
123   30  to the right of   20
124   30   to the left of   19
125   30   to the left of    1
126   30   to the left of    7
127   30               of   29

[128 rows x 3 columns]