How large are the lamps the bell tower is to the right of?
The lamps are large.
    src        edge_attr  dst
0     1   to the left of    6
1     1   to the left of    5
2     1   to the left of   17
3     2   to the left of    8
4     2   to the left of   20
..  ...              ...  ...
68   19               on   11
69   20  to the right of    8
70   20  to the right of   16
71   20  to the right of    2
72   20               of   10

[73 rows x 3 columns]