What is the image showing?
It is showing a road.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of    7
2     0               of    6
3     3               of    6
4     3  to the right of   13
5     5  to the right of   12
6     5  to the right of   10
7     5  to the right of   15
8     5   to the left of    9
9     6  to the right of    7
10    6  to the right of   15
11    6        pulled by   15
12    7   to the left of   13
13    7   to the left of    6
14    7   to the left of    0
15    8   to the left of   13
16    9  to the right of    5
17   10   to the left of   12
18   10   to the left of    5
19   12               in    4
20   12  to the right of   14
21   12  to the right of   10
22   12   to the left of    5
23   13  to the right of    7
24   13  to the right of    8
25   13  to the right of   15
26   13               of    6
27   13   to the left of    3
28   14   to the left of   12
29   15          pulling    6
30   15          wearing    7
31   15   to the left of    0
32   15   to the left of    5
33   15   to the left of    6
34   15   to the left of   13