What is the surfer near the branches doing?
The surfer is standing.
     src        edge_attr  dst
0      0               by   13
1      1               in    0
2      1   to the left of   18
3      1   to the left of   14
4      2   to the left of   13
..   ...              ...  ...
133   26   to the left of   22
134   26   to the left of   16
135   26   to the left of   13
136   26  to the right of   11
137   26   to the left of    6

[138 rows x 3 columns]