Which place is it?
It is an ocean.
    src        edge_attr  dst
0     0               by    1
1     0  to the right of   20
2     0  to the right of   17
3     0  to the right of   11
4     0   to the left of   10
..  ...              ...  ...
77   20               at   21
78   21           behind    3
79   21  to the right of    4
80   21  to the right of    3
81   21   to the left of    6

[82 rows x 3 columns]