How tall is the grass?
The grass is short.
     src        edge_attr  dst
0      0   to the left of   32
1      0   to the left of   30
2      0   to the left of    9
3      0   to the left of    1
4      0  to the right of   26
..   ...              ...  ...
119   32  to the right of    1
120   32  to the right of    9
121   32  to the right of    5
122   32  to the right of   29
123   32  to the right of   30

[124 rows x 3 columns]