What is the Mirage of Eachother all about?

It is a natural phenomenon caused by the refraction and total reflection of light. It is a virtual image formed by the refraction of light reflected by objects on the earth through the atmosphere. Its essence is an optical phenomenon.

Think of the air on the sea surface as being composed of many horizontal air layers with different refractive indexes. When the light emitted by distant mountains, ships, buildings, people, etc. is emitted into the air, due to continuous refraction, it deviates more and more from the normal direction. The incident angle into the upper air continues to increase, so that total reflection occurs, and the light is reflected back. On the ground, when people look against the light, they will see distant scenery hanging in the air.

Extended information:

Mirages have two characteristics: first, they appear repeatedly in the same place. For example, mirages often appear over Alaska in the United States; second, they appear at the same time. For example, most mirages in Penglai, my country, appear in May and June every year, mirages near Chimlensk, Russia, often appear in spring, and mirages in Alaska, the United States, generally appear within 20 days after June 20.

On May 10, 2011, the "Crown in the Sky" phenomenon appeared again in Canton Tower, which experts said was a mirage. At about 4 pm on May 9, 2011, a mirage spectacle appeared along the coast of Haikou City, which lasted for about an hour.

On the afternoon of May 2, 2012, after a heavy rain, rolling mountains appeared in the sky northwest of the Central Building in Shantou, Guangdong. Normally, you cannot see the mountains from this angle, so it should be Mirage phenomenon.

On April 30, 2013, a "mirage" was suspected to appear on the sea surface of Zhuhai Jiuzhou Port, and a "tower crane" floated on the sea surface. The upper part of the mountains is very clear, while the lower part is the vast misty clouds connecting the sea water. The mountains gradually blurred, were gradually hidden, and merged with the sky until they completely disappeared. The whole process lasted about 20 minutes.

Baidu Encyclopedia-Mirage