What is the door made of?
The door is made of metal.
     src        edge_attr  dst
0      0               by   18
1      0  to the right of   22
2      0  to the right of   16
3      0  to the right of    6
4      1  to the right of    8
..   ...              ...  ...
154   25   to the left of   10
155   26   to the left of    1
156   26  to the right of   23
157   26   to the left of    8
158   26   to the left of    6

[159 rows x 3 columns]