Crepuscular rays are light beams that seem to have their origin at a single point in the sky. They create an alternation of lights and shadows in the sky, and can be seen during sunset or sunrise, when there is a greater contrast between light and dark. In order for light rays to occur, they must encounter an obstacle, such as clouds or a geographical accident.
In the case of the upper image, which takes place over the sea, the sun's rays penetrate through a mass of clouds. This beautiful atmospheric phenomenon can also be seen through trees, mountains or tall buildings.
The weather is also a factor to take into account in the formation of crepuscular rays. Rain and snow can also scatter light, even suspended dust particles provide a twilight effect. Much of the spectacular crepuscular rays is due to their shades. They can be in red and yellow tones, or in bluish tones, like those in the photograph.
The beautiful scenery created by crepuscular rays has meant that since ancient times, man has given them the most curious names. In ancient Greece they were referred to as "water drawn by the Sun", but they are also known as Jacob's ladder, the rays of God, the rays of the Buddha, the stairway to heaven, the rays of light of Jesus or God's fingers
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