Where is that water?
The water is on the highway.
    src        edge_attr  dst
0     0             near    7
1     0   to the left of    3
2     0   to the left of    1
3     1   to the left of    6
4     1  to the right of    8
5     1  to the right of    0
6     2   to the left of    4
7     3  to the right of    8
8     3  to the right of    0
9     3             near    7
10    4  to the right of    2
11    4  to the right of    9
12    5           beside    7
13    5  to the right of   12
14    5  to the right of   11
15    6  to the right of    1
16    7             near    3
17    7             near    0
18    8   to the left of    1
19    8   to the left of    9
20    8               on    7
21    8   to the left of   10
22    8   to the left of    3
23    9   to the left of    4
24    9  to the right of    8
25   10  to the right of    8
26   11   to the left of    5
27   11               on   12
28   12   to the left of    5