Is the fence in the bottom or in the top of the photo?
The fence is in the top of the image.
    src        edge_attr  dst
0     0  to the right of    1
1     1  to the right of    5
2     1   to the left of    0
3     4   to the left of    6
4     4   to the left of   11
5     5   to the left of    1
6     6  to the right of    4
7     6  to the right of   13
8     6  to the right of   14
9     7  to the right of   13
10    8  to the right of   14
11    8      surrounding   14
12    8  to the right of   15
13    9   to the left of   16
14   10               in   11
15   11  to the right of    4
16   11  to the right of   13
17   13   to the left of   11
18   13   to the left of    7
19   13   to the left of    6
20   14   to the left of   15
21   14    surrounded by    8
22   14   to the left of    8
23   14   to the left of    6
24   15  to the right of   14
25   15   to the left of    8
26   16               of   10
27   16  to the right of    9