Does the shelf look wooden or metallic?
The shelf is wooden.
    src        edge_attr  dst
0     0  to the right of    5
1     0  to the right of    1
2     0   to the left of   17
3     0   to the left of    7
4     1  to the right of    2
..  ...              ...  ...
56   20  to the right of    9
57   20   to the left of   16
58   21  to the right of   18
59   23  to the right of    9
60   23   to the left of   17

[61 rows x 3 columns]