On which side of the image are the people?
The people are on the right of the image.
    src        edge_attr  dst
0     0  to the right of   19
1     0               in   10
2     1  to the right of   12
3     2               in   10
4     3               in   10
5     4  to the right of   16
6     6  to the right of   11
7     6   to the left of   17
8     8  to the right of   10
9     9               in    8
10    9               in   10
11   10   to the left of    8
12   11   to the left of    6
13   11  to the right of   15
14   12   to the left of    1
15   14               in   10
16   15   to the left of   11
17   16   to the left of    4
18   17  to the right of    6
19   18        flying in   10
20   19   to the left of    0