What is the picture showing?
It is showing a runway.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    6
2     1           behind    4
3     2               in   13
4     6  to the right of   12
5     6               at    3
6     6  to the right of    8
7     6  to the right of   14
8     6  to the right of    0
9     8   to the left of    6
10    8   to the left of    0
11    9   to the left of   17
12    9  to the right of   10
13   10   to the left of    9
14   10   to the left of   14
15   10   to the left of   17
16   12   to the left of    6
17   14  to the right of   10
18   14   to the left of    6
19   14   to the left of   17
20   16               on    4
21   17  to the right of    9
22   17  to the right of   10
23   17  to the right of   14