Does the dry grass have green color?
No, the grass is brown.
    src        edge_attr  dst
0     0            below    3
1     1               on    5
2     3            above    0
3     6               on    3
4     6            below   11
5     6      in front of    5
6     6         crossing    3
7     6  to the right of    9
8     8  to the right of    9
9     8   to the left of   10
10    9   to the left of    8
11    9   to the left of    6
12   10  to the right of    8
13   10               by    6
14   11            above    6