Which place is it?
It is a sidewalk.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of   10
2     1   to the left of    9
3     1               of   10
4     1   to the left of   15
5     1  to the right of   12
6     1  to the right of    7
7     3   to the left of   10
8     3   to the left of    8
9     4   to the left of   10
10    4   to the left of    7
11    5   to the left of   10
12    5   to the left of    7
13    5               of    4
14    7   to the left of   10
15    7  to the right of   12
16    7  to the right of    0
17    7   to the left of    1
18    7  to the right of   11
19    7   to the left of   17
20    7   to the left of    8
21    7  to the right of    5
22    7  to the right of    4
23    8  to the right of    3
24    8   to the left of    9
25    8  to the right of    7
26    9  to the right of    8
27    9  to the right of   15
28    9   to the left of   13
29    9  to the right of    1
30   10  to the right of   11
31   10  to the right of    4
32   10  to the right of    5
33   10  to the right of    7
34   10  to the right of   12
35   10  to the right of    0
36   10  to the right of    3
37   11   to the left of    7
38   11   to the left of   10
39   11   to the left of   12
40   12   to the left of   10
41   12   to the left of    7
42   12  to the right of   11
43   12   to the left of    1
44   12   to the left of   15
45   12   to the left of   17
46   13  to the right of    9
47   15  to the right of    1
48   15   to the left of    9
49   15   to the left of   16
50   15  to the right of   12
51   16  to the right of   15
52   16               of   10
53   17  to the right of   12
54   17  to the right of    7