1.   A bluish haze hung over the valley.

2.   Its streets are forever choked with cars and motorcycles and a thick bluish haze hangs in the air.

3.   Giant sea turtles siesta in rocky ledges, sleek sharks cruise the bluish haze and thousands of barracudas suddenly encircle you in a silvery swirl.

4.   Indeed, early mornings in rural villages finds most homes wreathed with the bluish haze of coal smoke.