In which part of the image is the bus, the bottom or the top?
The bus is in the bottom of the image.
    src        edge_attr  dst
0     0   to the left of   10
1     1   to the left of   10
2     2   to the left of   10
3     3  to the right of   15
4     3   to the left of    8
..  ...              ...  ...
82   28   to the left of    7
83   29   to the left of    7
84   30   to the left of    6
85   30  to the right of   11
86   30  to the right of   12

[87 rows x 3 columns]