Is it outdoors?
Yes, it is outdoors.
     src        edge_attr  dst
0      0   to the left of   19
1      0   to the left of   18
2      0  to the right of   26
3      0   to the left of   24
4      0  to the right of   21
..   ...              ...  ...
139   28   to the left of   18
140   28   to the left of    7
141   28   to the left of   13
142   28   to the left of   23
143   28   to the left of    0

[144 rows x 3 columns]