On which side of the photo is the tower?
The tower is on the left of the image.
    src        edge_attr  dst
0     1  to the right of   11
1     1  to the right of    4
2     1  to the right of   12
3     1   on the side of    8
4     2   to the left of    7
5     3      attached to    2
6     4   to the left of   12
7     4   to the left of    1
8     4   on the side of    8
9     5  to the right of    7
10    6               on    7
11    6             near    8
12    7  to the right of    2
13    7   to the left of    5
14    8               on    0
15    8             near    6
16   11   on the side of    8
17   11   to the left of    1
18   12  to the right of    4
19   12   to the left of    1