Are there fences in this photo that are not made out of wood?
Yes, there is a fence that is made of metal.
     src             edge_attr  dst
0      1                    of   36
1      1        to the left of   26
2      1        to the left of    7
3      1        to the left of   31
4      1        to the left of   27
..   ...                   ...  ...
206   38       to the right of   25
207   39       to the right of   37
208   39  standing in front of    8
209   39       to the right of   32
210   39       to the right of   33

[211 rows x 3 columns]