What is the ground covered in?
The ground is covered in leaves.
     src        edge_attr  dst
0      3   to the left of   29
1      3   to the left of   30
2      4   to the left of   29
3      6  to the right of   17
4      6  to the right of   19
..   ...              ...  ...
106   34   to the left of   31
107   34   to the left of   23
108   35   to the left of   29
109   36   to the left of   23
110   37       covered in   34

[111 rows x 3 columns]