What is located on top of the tower made of brick?
The dome is on top of the tower.
    src        edge_attr  dst
0     1        on top of    0
1     2        on top of    3
2     2  to the right of    5
3     3  to the right of   16
4     3   to the left of    6
..  ...              ...  ...
95   26   to the left of   11
96   26               on   24
97   28   to the left of   18
98   28  to the right of    3
99   28  to the right of   12

[100 rows x 3 columns]