What is that tree in front of?
The tree is in front of the building.
     src        edge_attr  dst
0      0   to the left of   11
1      0   to the left of    7
2      0  to the right of   17
3      0  to the right of   14
4      1   to the left of    5
..   ...              ...  ...
113   21  to the right of   17
114   21   to the left of    7
115   21   to the left of   14
116   21      in front of   20
117   21   to the left of   19

[118 rows x 3 columns]