Are there bridges or frisbees in the image?
Yes, there is a bridge.
    src        edge_attr  dst
0     1  to the right of    2
1     1   to the left of    6
2     2   to the left of    1
3     2   to the left of    7
4     4  to the right of   13
5     6  to the right of    1
6     6  to the right of   13
7     6  to the right of    7
8     7   to the left of    6
9     7  to the right of    2
10    8  to the right of    9
11    8  to the right of   13
12    9   to the left of    8
13   10   to the left of   12
14   12  to the right of   10
15   13   to the left of    4
16   13   to the left of    6
17   13   to the left of    8