Is the iron building behind a fence?
Yes, the building is behind a fence.
    src        edge_attr  dst
0     0  to the right of   14
1     0   to the left of   13
2     0  to the right of   15
3     0  to the right of   16
4     0   to the left of    4
..  ...              ...  ...
62   17  to the right of    2
63   17  to the right of    0
64   17           behind   12
65   17  to the right of    7
66   17  to the right of    5

[67 rows x 3 columns]