Traditional Culture Encyclopedia - Weather inquiry - What is the mechanism of golden light penetration?

What is the mechanism of golden light penetration?

The Seventeen-hole Bridge will show the wonder of red light shining through the bridge holes around the winter solstice. The ancients mastered and utilized the knowledge of astronomy and geography when building the bridge. When the sun shines at its lowest point in the afternoon around the winter solstice, the sunlight will penetrate the entire bridge hole, presenting a natural wonder of "red light piercing the hole". This is also a genius stroke of the garden designer.

Only in the few days before and after the winter solstice every year, such a spectacular scenery will appear, and the golden afterglow will penetrate and illuminate all 17 holes. This scene can only be seen for a few days a year.

Extended information

The Seventeen-hole Bridge in the Summer Palace reappears with the golden light hole:

On November 24, in early winter, the weather in Beijing was fine, and the Seventeen-hole Bridge in the Summer Palace Recreating the beautiful scenery of the "golden light hole" attracts many tourists and photography enthusiasts to watch and take photos. From a distance, the bridge hole is lit up, golden and very magnificent.

The reporter found that compared with the same period last year, the elderly accounted for a larger proportion of the people who came to shoot the "golden light piercing". Their equipment was also more professional, and they had many different shooting methods. Even young people can't understand it. ?

An old man in his 70s has been standing next to the stone railing. The camera on the tripod has been facing the Seventeen-hole Bridge for an hour without moving. There are always people curious to ask why it is always at this angle. The old man The answer: "I'm shooting time-lapse." The person listening was a little confused. ?

The so-called time-lapse shooting is that the old man chooses the same scene, uses thousands of photos to record the process of the "golden light hole" from its appearance to its disappearance, and then plays it back at 24 pictures per second to show the effect. , that is, the "golden light hole" comes and goes quickly, just like what we see on TV, the effect of a flower from sprouting to blooming in a few seconds.

Baidu Encyclopedia-Golden Light Piercer