What is the photo showing?
It is showing a shore.
    src        edge_attr  dst
0     2  to the right of   10
1     2  to the right of   15
2     2  to the right of    6
3     4  to the right of   10
4     5   to the left of   17
5     5   to the left of   13
6     5               of   10
7     5   to the left of   11
8     5  to the right of    6
9     6   to the left of    9
10    6   to the left of    2
11    6   to the left of   15
12    6   to the left of    5
13    6   to the left of   17
14    7  to the right of   10
15    9   to the left of   17
16    9               of   17
17    9  to the right of    6
18   10   to the left of    2
19   10   to the left of    4
20   10   to the left of    7
21   10   to the left of   11
22   10   to the left of   13
23   10   to the left of   14
24   10   to the left of   17
25   10               by    4
26   11  to the right of   10
27   11               of   17
28   11  to the right of    5
29   13  to the right of    5
30   13  to the right of   10
31   14  to the right of   10
32   15  to the right of    6
33   15   to the left of    2
34   15               of   10
35   17               on   12
36   17               by    4
37   17  to the right of    5
38   17  to the right of    9
39   17  to the right of   10
40   17  to the right of    6