Is the bus on the right or on the left side?
The bus is on the right of the image.
     src        edge_attr  dst
0      0   to the left of    6
1      0   to the left of    4
2      0   to the left of   22
3      0   to the left of   21
4      1  to the right of   19
..   ...              ...  ...
133   29   to the left of    7
134   29  to the right of    5
135   29   to the left of   26
136   29  to the right of   20
137   30   to the left of   15

[138 rows x 3 columns]