Instead, I just sat, watching the empty, clean sky and the slowly moving landscape far below.

It has an average Weather of clean sky and temperature of around 15.

The skyline of Manhattan sparkled against the clean blue sky.

'Nice,' I said, looking up through the windshield at clean blue sky.

The three travelers moved through the forest under a clear, clean sky.

It was beautiful up here in this clear, clean sky.

His eyes were focused upon the clean blue sky.

For a moment he saw nothing but the clean and wondrous sky.

It was night outside indeed, and alien constellations burned above him in a clear, clean sky.

For the survivors, she promises health, clean skies, beauty, and happiness.