Is there either a fence or a clock in the photograph?
No, there are no fences or clocks.
    src        edge_attr  dst
0     0   to the left of    5
1     1   to the left of    4
2     2   to the left of   12
3     2  to the right of   11
4     2  to the right of    7
5     2  to the right of    5
6     4  to the right of    1
7     4   to the left of   15
8     5   to the left of   12
9     5   to the left of   19
10    5  to the right of    0
11    5   to the left of    2
12    5   to the left of   11
13    6   to the left of   12
14    6  to the right of   18
15    6   to the left of   20
16    7   to the left of   19
17    7   to the left of   12
18    7   to the left of   11
19    7   to the left of    2
20    8   to the left of   17
21    9   to the left of   17
22   11   to the left of    2
23   11   to the left of   12
24   11   to the left of   19
25   11  to the right of    5
26   11  to the right of    7
27   12  to the right of   11
28   12  to the right of    6
29   12  to the right of    5
30   12  to the right of    7
31   12  to the right of    2
32   12  to the right of   19
33   15  to the right of    4
34   17  to the right of   18
35   17   to the left of   20
36   17  to the right of    8
37   17  to the right of    9
38   18   to the left of   17
39   18   to the left of    6
40   19   to the left of   12
41   19  to the right of   11
42   19  to the right of    5
43   19  to the right of    7
44   20  to the right of    6
45   20  to the right of   17