Which place is it?
It is a river.
    src        edge_attr  dst
0     0   to the left of    7
1     2         climbing    4
2     2               on    4
3     2               in    1
4     2   to the left of    7
5     2             near    7
6     3   to the left of    7
7     3   to the left of    6
8     4               in    1
9     5   to the left of    7
10    6  to the right of    3
11    6   to the left of    7
12    7             near    2
13    7  to the right of    6
14    7  to the right of    5
15    7  to the right of    0
16    7  to the right of    8
17    7  to the right of    3
18    7  to the right of    2
19    8   to the left of    7