Are there hoses or fences that are made of metal?
Yes, the fence is made of metal.
     src        edge_attr  dst
0      0   to the left of    3
1      0   to the left of    6
2      0   to the left of    7
3      0   to the left of    4
4      0   to the left of   10
..   ...              ...  ...
100   18      in front of    8
101   18      in front of    5
102   19   to the left of    9
103   20  to the right of    1
104   20  to the right of    5

[105 rows x 3 columns]