Is it indoors?
Yes, it is indoors.
     src        edge_attr  dst
0      0   to the left of   17
1      0               on    1
2      1   to the left of    6
3      1   to the left of   21
4      2             near   15
..   ...              ...  ...
106   21   to the left of   12
107   21  to the right of    1
108   21  to the right of   10
109   21  to the right of   15
110   21               in    9

[111 rows x 3 columns]