Which place is it?
It is a road.
    src        edge_attr  dst
0     0               of    1
1     1               on    0
2     1      in front of    6
3     1      in front of    7
4     1  to the right of   11
5     1   to the left of    7
6     1   to the left of   14
7     2   to the left of   11
8     5            above    2
9     6   to the left of   11
10    6           behind    1
11    7  to the right of    1
12   10           behind    2
13   11   to the left of    1
14   11  to the right of    6
15   11  to the right of    2
16   11            below    5
17   11  to the right of   15
18   12            below    5
19   14  to the right of    1
20   15   to the left of   11
21   15               on    2