What's the luggage standing on?
The luggage is standing on the platform.
    src        edge_attr  dst
0     0      standing on   16
1     0   to the left of    4
2     0   to the left of    2
3     0   to the left of   19
4     0   to the left of   10
..  ...              ...  ...
80   20  to the right of   14
81   20  to the right of   15
82   20  to the right of    3
83   21   to the left of    2
84   21   to the left of   19

[85 rows x 3 columns]