Are the trees below the wall small or large?
The trees are small.
    src        edge_attr  dst
0     0      in front of   15
1     0  to the right of    5
2     0  to the right of   19
3     0  to the right of    6
4     0  to the right of   10
..  ...              ...  ...
69   19   to the left of    8
70   19   to the left of    6
71   19   to the left of    1
72   19   to the left of   11
73   19   to the left of    0

[74 rows x 3 columns]