Are there both benches and pigeons in the picture?
No, there are pigeons but no benches.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    1
2     1  to the right of    8
3     1  to the right of    7
4     1  to the right of   15
..  ...              ...  ...
63   15   to the left of    9
64   15   to the left of   10
65   15   to the left of   14
66   15   to the left of    1
67   15   to the left of    4

[68 rows x 3 columns]