Is there either a metal fence or bench?
Yes, there is a metal bench.
     src        edge_attr  dst
0      0  to the right of   21
1      0  to the right of   24
2      0  to the right of    8
3      0  to the right of   23
4      0  to the right of   16
..   ...              ...  ...
161   27   to the left of   10
162   27   to the left of   24
163   27   to the left of    8
164   27  to the right of   23
165   27   to the left of    1

[166 rows x 3 columns]