Where was the photo taken?
It was taken at the sea.
   src        edge_attr  dst
0    2  to the right of    4
1    3  to the right of    4
2    4   to the left of    3
3    4   to the left of   12
4    4   to the left of    2
5    6   to the left of    7
6    7  to the right of    6
7   12  to the right of    4