Is this fence both white and metallic?
Yes, the fence is white and metallic.
   src        edge_attr  dst
0    2   to the left of    7
1    4   to the left of    5
2    5  to the right of    6
3    5  to the right of    4
4    6   to the left of    5
5    7               on    7
6    7  to the right of    2