Are there either small windows or cars?
Yes, there is a small window.
     src        edge_attr  dst
0      0               on   17
1      0  to the right of   25
2      0   to the left of   12
3      0   to the left of    9
4      0   to the left of   22
..   ...              ...  ...
134   25   to the left of   26
135   26  to the right of   25
136   27  to the right of   23
137   27  to the right of   16
138   27   to the left of   13

[139 rows x 3 columns]