Which place is it?
It is a city.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of   28
2     0  to the right of   24
3     0   to the left of   13
4     0  to the right of   18
..  ...              ...  ...
72   29   to the left of   26
73   30   to the left of    3
74   30  to the right of    8
75   30  to the right of    7
76   31   to the left of    0

[77 rows x 3 columns]