Are the boxes on the wall wooden or metallic?
The boxes are wooden.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of    8
2     0   to the left of   21
3     0  to the right of   19
4     0   to the left of   23
..  ...              ...  ...
70   22   to the left of   21
71   23  to the right of    7
72   23  to the right of    0
73   24   to the left of   12
74   24   to the left of   15

[75 rows x 3 columns]