Does the sky have blue color?
No, the sky is white.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of   14
2     0   to the left of    4
3     0   to the left of    2
4     0  to the right of   13
..  ...              ...  ...
87   23   to the left of    8
88   24   to the left of   13
89   24   to the left of   15
90   24   to the left of   14
91   24   to the left of   16

[92 rows x 3 columns]