Does the cloudless sky appear to be light and white?
No, the sky is light but blue.
    src        edge_attr  dst
0     0             near    1
1     0             near    3
2     0      in front of    4
3     0   to the left of    2
4     0  to the right of    4
5     1          next to    0
6     1             near    0
7     1             near    3
8     1            below    2
9     2            above    3
10    2  to the right of    4
11    2  to the right of    0
12    3          next to    0
13    3             near    0
14    3             near    1
15    4   to the left of    2
16    4   to the left of    0
17    4           behind    0