The trace of the plane in the blue sky among the cloudsThe trace of the plane in the blue sky among the clouds
A look at the blue sky through the branches of deciduous treesA look at the blue sky through the branches of deciduous trees
The most beautiful waterfall flows into the blue lakeThe most beautiful waterfall flows into the blue lake
Blue grass and trees against a brown sky with white cloudsBlue grass and trees against a brown sky with white clouds
The blue expanse of the sea against the background of snow-capped mountainsThe blue expanse of the sea against the background of snow-capped mountains
Snow-white sand on the seashore and palm trees against the blue skySnow-white sand on the seashore and palm trees against the blue sky