What is the image showing?
It is showing a street.
    src        edge_attr  dst
0     1  to the right of    7
1     2        on top of    9
2     3   to the left of    4
3     4  to the right of    3
4     5           behind    9
5     6   to the left of   12
6     6   to the left of   11
7     6   to the left of   10
8     7   to the left of    1
9    10   to the left of   11
10   10  to the right of    6
11   10   to the left of   12
12   11  to the right of   10
13   11  to the right of    6
14   12  to the right of   10
15   12  to the right of    6