What is the fence made of?
The fence is made of wood.
    src        edge_attr  dst
0     0  to the right of   16
1     0   to the left of   14
2     0   to the left of   13
3     0   to the left of    7
4     1   to the left of    3
..  ...              ...  ...
72   16            above    1
73   16   to the left of    5
74   16   to the left of   15
75   16   to the left of    0
76   17   to the left of    8

[77 rows x 3 columns]