What's the ground covered in?
The ground is covered in bricks.
     src        edge_attr  dst
0      0   to the left of   15
1      0  to the right of   29
2      2       covered in    3
3      3  to the right of   10
4      4       growing on    5
..   ...              ...  ...
115   32  to the right of   31
116   32   to the left of   24
117   32  to the right of    6
118   32   to the left of   22
119   32   to the left of    9

[120 rows x 3 columns]