What is surrounding the huge building?
The fence is surrounding the clock tower.
    src        edge_attr  dst
0     0  to the right of    8
1     1  to the right of   10
2     2  to the right of   13
3     2  to the right of   14
4     4   to the left of    5
5     5  to the right of    4
6     6   to the left of   14
7     6  to the right of   10
8     6  to the right of   12
9     6   to the left of    7
10    7  to the right of   10
11    7  to the right of   12
12    7  to the right of    6
13    7   to the left of   13
14    7   to the left of   14
15    8   to the left of    0
16    8   to the left of    9
17    9  to the right of    8
18   10   to the left of    1
19   10   to the left of   11
20   10   to the left of   19
21   10               in   20
22   10   to the left of    6
23   10   to the left of    7
24   11      surrounding   14
25   11  to the right of   10
26   12   to the left of    7
27   12   to the left of   14
28   12   to the left of    6
29   13   to the left of    2
30   13  to the right of    7
31   14  to the right of    7
32   14  to the right of    6
33   14   to the left of    2
34   14    surrounded by   11
35   14  to the right of   12
36   19  to the right of   10