What is in front of the doorway?
The steps are in front of the doorway.
    src        edge_attr  dst
0     0   to the left of    7
1     0  to the right of   10
2     1   to the left of    6
3     1   to the left of    7
4     2      in front of    5
..  ...              ...  ...
70   20          next to    4
71   20   to the left of    4
72   21          next to    4
73   21   to the left of    7
74   21   to the left of    2

[75 rows x 3 columns]