Which place is it?
It is an airport.
    src        edge_attr  dst
0     2  to the right of   17
1     2   to the left of    9
2     3  to the right of   18
3     3   to the left of   20
4     3   to the left of   15
..  ...              ...  ...
56   20               of   17
57   20   to the left of   13
58   20   to the left of   15
59   20   to the left of    4
60   21   to the left of   14

[61 rows x 3 columns]