He realised he no longer saw the blue skies of the Beijing of his boyhood, or the courtyard trees he had loved to climb.

I am convinced that blue skies are already on the horizon.

Under a brilliant blue sky on a bright green baseball field outside Baltimore, several youth-league umpires demonstrated the mechanics of how to call balls and strikes.

Once an isolated highland, it has been the home shared by people of more than 10 nationalities, with pure blue sky, clear and beautiful lake as well as the legendary matriarchal community.

I can see the sky, blue; I have never seen it so beautiful.