Do the bridge and the sky have the same color?
Yes, both the bridge and the sky are blue.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of   16
2     1  to the right of   12
3     1   to the left of    4
4     1   to the left of   16
..  ...              ...  ...
82   17  to the right of   11
83   17  to the right of   15
84   17   to the left of    2
85   17  to the right of   13
86   17  to the right of    8

[87 rows x 3 columns]