Is there a silver fence in this photo?
No, there is a fence but it is black.
    src        edge_attr  dst
0     1   to the left of    4
1     1            above   10
2     3  to the right of   16
3     3  to the right of    8
4     3  to the right of   15
5     3  to the right of    9
6     3  to the right of    6
7     3  to the right of    4
8     4   to the left of    3
9     4   to the left of   16
10    4  to the right of    1
11    4   to the left of   15
12    5               on    9
13    6   to the left of    3
14    8   to the left of    3
15    9   to the left of    3
16   11  to the right of   17
17   11   to the left of   13
18   13  to the right of   11
19   13  to the right of   17
20   15  to the right of    4
21   15   to the left of    3
22   15   to the left of   16
23   16   to the left of    3
24   16  to the right of   15
25   16  to the right of    4
26   17   to the left of   11
27   17   to the left of   13