On which side of the image is the tower?
The tower is on the right of the image.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of    2
2     0  to the right of   16
3     0  to the right of   15
4     1               on   21
..  ...              ...  ...
64   24               on    2
65   24   to the left of    3
66   25   to the left of    7
67   25   to the left of    9
68   25   to the left of   10

[69 rows x 3 columns]