What is tied to the bench that the rocks are on top of?
The rope is tied to the bench.
     src        edge_attr  dst
0      0   to the left of   31
1      0  to the right of   27
2      0   to the left of   30
3      0   to the left of   24
4      0   to the left of   11
..   ...              ...  ...
160   35  to the right of   23
161   35  to the right of    7
162   35  to the right of   26
163   35  to the right of   24
164   35  to the right of   34

[165 rows x 3 columns]