Is there any brown sand or grass?
Yes, there is brown grass.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    6
2     0  to the right of   14
3     0  to the right of   12
4     1  to the right of    2
..  ...              ...  ...
63   15             near   16
64   16          next to   15
65   16          next to    6
66   16          next to    9
67   16          next to   10

[68 rows x 3 columns]