Does he seem to be riding?
No, the man is surfing.
   src        edge_attr  dst
0    1  to the right of   10
1    2        on top of   11
2    4  to the right of    5
3    5   to the left of    8
4    5   to the left of    4
5    8  to the right of    5
6   10   to the left of    1