Help, photography, about shooting smog.

1 The light seems to weaken and dissipate after the smog. There is no beam, only a gray light.

If it is fog or dust

1 Light level The top light or photometry forms Jesus light, the top light symmetrically bisects the picture, and the photometric diagonal composition.

2 Soft, hard and soft can't penetrate, just like the smog effect.

3. The main light 1 auxiliary light destroys the effect of Jesus lamp.