Are the windows above a clock?
No, the windows are above the bridge.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    1
2     0  to the right of   15
3     0  to the right of   12
4     1   to the left of    4
..  ...              ...  ...
76   27  to the right of   28
77   28   to the left of   27
78   28  to the right of   25
79   28  to the right of   24
80   28               on    6

[81 rows x 3 columns]