Is it indoors or outdoors?
It is indoors.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of   17
2     1               on   19
3     1  to the right of    3
4     1   to the left of   17
..  ...              ...  ...
73   19  to the right of   14
74   19  to the right of   15
75   19  to the right of   18
76   19   to the left of   17
77   20   to the left of    2

[78 rows x 3 columns]