fill with gray > got to filter > render > clouds, and multiply.
step 3 of 7
go to levels adjustment and darken the image
step 4 of 7
create a light from the far view
step 5 of 7
widen the light and add smoke.
use clouds, liquify and eraser to create.
step 6 of 7
use the lasso tool and eraser to create the light rays.
step 7 of 7
lastly, use pentool to add a person that will stand like a stranger from the light. blur, erase the other part and create shadow to make it more realistic. :)