Is there any mirror or lamp that is made of glass?
Yes, the mirror is made of glass.
     src        edge_attr  dst
0      0  to the right of    6
1      0  to the right of    7
2      0   to the left of    5
3      0   to the left of   14
4      0  to the right of    8
..   ...              ...  ...
256   32   to the left of   10
257   32  to the right of   30
258   32  to the right of   29
259   32  to the right of   28
260   32  to the right of    4

[261 rows x 3 columns]