Are the floor and the frame made of the same material?
No, the floor is made of cement and the frame is made of metal.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of   16
2     0  to the right of    8
3     0  to the right of   15
4     1   to the left of   14
..  ...              ...  ...
69   19  to the right of   11
70   19   to the left of   16
71   19   to the left of   15
72   20   to the left of   11
73   20   to the left of    1

[74 rows x 3 columns]