What does Conan's clear sky mean?

Example: In the gap, there is a clear sky and Wan Li with long white clouds, which is a sky crack that Nu Wa can't make up.

Sentence: Clearly, young people are enjoying the winter scenery in front of them, with a faint smile on their lips and a happy mood.

Under Liu Huang, sobbing day and night suffocated the blue sky and accompanied the silent suburbs.

The green sky swept away the heat and dreariness of Australia, and the clouds stretched infinitely in the sky with the wind.

Usage: Used as an adjective to describe light blue sky and sunny weather.

Synonyms: blue sky, blue sky, blue sky, clear sky.