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The thickness and depth of the blue ocean
The blue sky is visible through the trees
The horizon of the blue expanse of water
Clear blue lake in summer
Stork flying over the lake against the blue sky
Beach with palm trees in the blue lagoon
Soaring birds high in the blue sky
View of the Caucasus mountains from the grass
The beach by the sea and the blue sky
The blue waves of the surf beat against the rocky shore
Seashells on the shore of the blue sea
Clouds in the blue sky over the turquoise sea