What color is the ground?
The ground is tan.
     src        edge_attr  dst
0      0   to the left of    4
1      0   to the left of   16
2      0   to the left of   14
3      0   to the left of   21
4      1  to the right of    8
..   ...              ...  ...
103   26   to the left of    1
104   26   to the left of   10
105   27  to the right of   18
106   27   to the left of    9
107   27   to the left of    1

[108 rows x 3 columns]