Are the people on the right side of the photo?
No, the people are on the left of the image.
   src        edge_attr  dst
0    1   to the left of    3
1    2  to the right of    7
2    3  to the right of    1
3    4   to the left of    5
4    4  to the right of    7
5    5  to the right of    4
6    7   to the left of    4
7    7   to the left of    2