What is the image showing?
It is showing a sidewalk.
    src        edge_attr  dst
0     0   to the left of    2
1     1               on    6
2     1  to the right of   10
3     2       walking on   12
4     2  to the right of    0
5     2  to the right of    4
6     3  to the right of   10
7     3   to the left of    9
8     4   to the left of    2
9     6  to the right of   10
10    8  to the right of   10
11    9  to the right of   10
12    9  to the right of    3
13   10   to the left of    9
14   10   to the left of    3
15   10   to the left of    1
16   10   to the left of    8
17   10   to the left of    6