Prompt: For the night view of the viaduct city trunk line, the aperture should be narrowed down by 1/4 stop at 1,000 meters above sea level, by 1/3 stop at 2,000 meters above sea level, by 1/2 stop at 3,000 meters above sea level, and by 3/4 stop at 4,000 meters. class
Style: Photographic