Do you see any people to the right of the white bags?
No, the people are to the left of the bags.
     src        edge_attr  dst
0      0   to the left of   15
1      0   to the left of   13
2      0   to the left of    8
3      0   to the left of    3
4      0   to the left of   11
..   ...              ...  ...
96    22   to the left of   10
97    22   to the left of   15
98    23  to the right of   21
99    23   to the left of    3
100   23   to the left of   20

[101 rows x 3 columns]