Which part of the picture is the fence in, the bottom or the top?
The fence is in the bottom of the image.
     src        edge_attr  dst
0      0   to the left of    2
1      0   to the left of   20
2      0   to the left of   19
3      0   to the left of   23
4      0   to the left of    3
..   ...              ...  ...
99    25  to the right of   23
100   26   to the left of   21
101   26  to the right of   23
102   27   to the left of   21
103   27  to the right of   23

[104 rows x 3 columns]