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Waterfalls flow smoothly into the river below and the sky
Blue sky over the steel bridge
Winter expanse and beautiful sky
Lightning in the night sky over the sea
Night sky in a hot desert
Illuminated bridge against the night sky
Cloudy skies and desert sand hills
Horizon, green grass, blue sky
A green summer field under a blue sky
A spaceship on the background of the sky
Cloudy sky at sunset
Gothic cathedral with a view from below against a cloudy sky