What is the fence surrounding?
The fence is surrounding the balcony.
    src        edge_attr  dst
0     0  to the right of   14
1     1               on    7
2     1  to the right of   13
3     1   to the left of   10
4     1   to the left of    9
..  ...              ...  ...
74   17   to the left of    2
75   17  to the right of    8
76   17  to the right of   11
77   17   to the left of    5
78   17               on    9

[79 rows x 3 columns]