Which place is it?
It is a park.
    src        edge_attr  dst
0     1   to the left of    2
1     1   to the left of    9
2     1   to the left of    8
3     1   to the left of   17
4     2   to the left of   10
5     2   to the left of   15
6     2  to the right of    1
7     4   to the left of    7
8     4  to the right of    9
9     4  to the right of   11
10    7  to the right of   16
11    7  to the right of    4
12    7  to the right of   17
13    8  to the right of    1
14    9   to the left of    4
15    9  to the right of    1
16    9   to the left of   12
17   10  to the right of    2
18   10  to the right of   15
19   11   to the left of   12
20   11   to the left of    4
21   12  to the right of   11
22   12  to the right of    9
23   14  to the right of   15
24   15   to the left of   10
25   15  to the right of    2
26   15   to the left of   14
27   16   to the left of    7
28   17  to the right of    1
29   17   to the left of    7