Recently, I am doing some translation and find the expression of "sweeping sky" hard to be translated into Chinese. "Sweeping" means wide or curving. But when I google pictures of "a sweeping sky", most of the results are deep blue sky with masses of clouds and visible air currents, which are like Joseph Turner's landscape paintings. So does a sweeping sky indicate more than a wide sky? What do you think a sweeping sky should be like?