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Blue lake lying at the foot of the mountain
Blue sky. Green grass
A city against a blue sky
Asia trip, sea beach, blue waters
Historical castle on a blue sky background
Pyramid close-up against the blue sky
Blue sky over big mountains
Katara floating on blue water in Venice
A glowing skyscraper by the blue ocean
Blue sky and ocean under the bridge
Houses under the open blue sky
On both banks of the blue river there are churches and green trees against the blue sky