What's the street made of?
The street is made of brick.
     src        edge_attr  dst
0      0   to the left of   15
1      1  to the right of    6
2      2   to the left of   19
3      2   to the left of    9
4      2  to the right of   13
..   ...              ...  ...
97    19               on   14
98    19  to the right of    8
99    19  to the right of    2
100   19  to the right of    5
101   19  to the right of   11

[102 rows x 3 columns]