Is the fence made of cement or wire?
The fence is made of wire.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   13
2     1  to the right of    4
3     1  to the right of    3
4     1  to the right of   12
..  ...              ...  ...
59   17  to the right of    4
60   18            under    7
61   18            under    4
62   18            below    4
63   18            below    7

[64 rows x 3 columns]