Is that sky cloudless or cloudy?
The sky is cloudless.
    src        edge_attr  dst
0     0   to the left of    7
1     0  to the right of    2
2     1             near    4
3     2   to the left of    3
4     2   to the left of    7
5     2   to the left of    0
6     2   to the left of    4
7     3             near    4
8     3  to the right of    2
9     4             near    3
10    4          next to    1
11    4  to the right of    2
12    6            above    3
13    7  to the right of    2
14    7  to the right of    0