What is the image showing?
It is showing a sidewalk.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    8
2     0   to the left of    9
3     0   to the left of   12
4     1   to the left of    6
..  ...              ...  ...
74   15  to the right of    9
75   15  to the right of   12
76   16   to the left of    2
77   16   to the left of    7
78   16   to the left of    9

[79 rows x 3 columns]