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Blue sky. Castles in the air
Blue sky with dark clouds
Light through the clouds into the sky
Clouds are gathering over the blue sky
A tree standing alone on the edge of the field
Downy sky layer above the ground
Blue sky with fluffy clouds
Beautiful sunset, stormy weather
A black tree against a stormy sky
Big white fluffy clouds
Heavy thunderclouds over the forest
The sun is visible in the sky through the clouds