What kind of place is this?
It is a swimming pool.
    src        edge_attr  dst
0     0   to the left of   15
1     0   to the left of   13
2     0  to the right of    4
3     0  to the right of    3
4     0   to the left of    8
..  ...              ...  ...
71   15  to the right of    5
72   15   to the left of    6
73   15  to the right of    0
74   15  to the right of    4
75   15   to the left of   12

[76 rows x 3 columns]