On which side of the picture is the metal container?
The container is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   20
1     0   to the left of    8
2     1   to the left of   17
3     1   to the left of   14
4     2   to the left of   15
..  ...              ...  ...
68   20  to the right of    0
69   21   to the left of   16
70   21  to the right of    9
71   21  to the right of    7
72   21   to the left of   10

[73 rows x 3 columns]