What is covered with the snow?
The mountain is covered with snow.
     src        edge_attr  dst
0      0         covering   13
1      1  to the right of   10
2      1  to the right of   11
3      1   to the left of   14
4      1  to the right of    2
..   ...              ...  ...
122   23  to the right of   10
123   23   to the left of   17
124   23   to the left of   14
125   23   to the left of   21
126   23   to the left of   19

[127 rows x 3 columns]