What are the people to the right of the other people doing?
The people are walking.
    src        edge_attr  dst
0     1               in    0
1     1   to the left of    9
2     1  to the right of    6
3     1  to the right of   19
4     1  to the right of   37
..  ...              ...  ...
90   41   to the left of   17
91   41   to the left of   34
92   41   to the left of   29
93   42  to the right of   23
94   42  to the right of   19

[95 rows x 3 columns]