Are there silver fences in the scene?
No, there is a fence but it is blue.
     src        edge_attr  dst
0      0             near   12
1      0  to the right of    9
2      0  to the right of    2
3      0  to the right of   23
4      0   to the left of    4
..   ...              ...  ...
127   27  to the right of    0
128   27  to the right of   15
129   27  to the right of    3
130   28  to the right of   14
131   28  to the right of   12

[132 rows x 3 columns]