What kind of place is shown?
It is a sidewalk.
    src        edge_attr  dst
0     1   to the left of    3
1     2   to the left of    8
2     3   to the left of    9
3     3   to the left of   12
4     3   to the left of    5
5     3   to the left of    6
6     3  to the right of    1
7     5  to the right of    6
8     5  to the right of    3
9     6   to the left of    5
10    6   to the left of   12
11    6  to the right of    3
12    8  to the right of    2
13    8               on    9
14    8  to the right of   10
15    9  to the right of    3
16   10   to the left of    8
17   12  to the right of    3
18   12  to the right of    6