On which side of the photo are the houses?
The houses are on the left of the image.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   10
2     0   to the left of   19
3     0   to the left of   18
4     1  to the right of   21
..  ...              ...  ...
86   25               of   21
87   25   to the left of   27
88   26  to the right of   21
89   26  to the right of    9
90   27  to the right of   25

[91 rows x 3 columns]