In the Scottish Grand Canyon in the north of England, there is a freshwater lake called Loch Ness. It is a long, narrow lake with a total length of 39 km and a width of 2. 4 km, the water depth is 213 ~ 293 meters. Without the legend of "Nisi", Loch Ness would have been just an ordinary lake, but since ancient times, there has been a legend that there is one or more unknown monsters in Loch Ness. Especially in the last century, this legend has intensified, which makes this otherwise ordinary lake very famous and mysterious.
It is said that as early as the 4th century, a Catholic priest wrote in his annals that a loch Ness abbot saw a monster on the surface of the lake. But he didn't describe the shape of the monster, so he didn't know if it was the same kind of monster that had been rumored recently.
By the 19th and 20th centuries, there were more and more eyewitnesses about the Loch Ness monster. People were so interested in this strange thing that they gave it the name "Nisi", which means interesting animal. In 1957, a writer wrote a book about "Nisi", which included 117 incidents of witnessing "Nisi", some accompanied by photographs. Although people are more interested in this, they are also suspicious, and scientists are silent about it. But no matter what people's attitude towards it, "Nisi" is always making news.
One day in 1960, a man named Tim Dinsdale was driving slowly along the lake road, and the water was dark. Suddenly, he noticed a reddish-brown ridge-like thing floating on the surface of the lake not far from him. He hurriedly stopped the car to turn on the camera, and the monster began to move away. Dinsdale captured an image of what he believed to be the back of a behemoth. Half floating on the surface of the water and half hidden underwater, the monster slowly swam along the zigzag route. Soon it splashed with a huge wave and then disappeared. In 1963, people carried out five days of blasting operations in Loch Ness, perhaps unable to bear the earth-shattering sound of explosions, perhaps out of curiosity, "Nisi" rose to the surface several times from his hometown at the bottom of the lake. In just one summer, hundreds of people saw "Nisi" with their own eyes, a total of 40 times, and people made documentaries of what they saw. Many television stations have broadcast these documentaries, causing a big sensation.
Although so many people claim to have seen "Nisi" and some people have taken pictures and movies, there are still many people who do not believe that there is such a thing. Many scientists believe that what people see as "Nisi" is actually an illusion, and people mistakenly regard animals such as otters as monsters. Other scientists simply point out that this is just a hoax. For example, in 1934, a doctor named Wilson in London took a picture of Loch Ness, and in this photo, people saw a monster with a small head extended outstretched. This is one of the earliest photographs of "Nisi". A scientist published an article in 1984 stating that the "monster" in this photo was just an otter. For another example, some people say that the footprints of "Nissi" were found on the shores of Lake Ness, but later identified that they were the footprints of hippopotamus. Hippos are unlikely to be present in Loch Ness, and it is possible that someone deliberately wore hipposhoe-shaped shoes and then walked on the shore. Perhaps this man was trying to make the mystery of loch Ness even more puzzling. Another retired Scottish engineer pointed out that there is no monster at loch Ness at all, and that the monsters people see are only the trunks of ancient European red pine trees floating in the lake. After the trunk of the red pine tree sinks to the bottom of the lake, due to the high pressure of the lake, the resin in the trunk is pressed out, forming a solid shell on the trunk, so that the trunk does not rot. The pressure of the lake will also cause the pine trunk to produce gas, and the more the gas accumulates, the pine trunk will suddenly surface. When the gas is discharged, the trunk sinks to the bottom of the lake.
Of course, there are also many scientists who believe in the existence of this monster. They set up the Loch Ness Phenomenon Investigation Bureau to search for "Nisi" with radar and sonar systems. In 1960, people found something in the lake with sonar, but it quickly dived and then disappeared. In 1986, a Loch Ness scientific expedition used an ultrasonic locator to search the bottom of the lake and found that there was a huge creature moving between 68 and 114 meters in the water depth.
Despite the perseverance of the search for the traces of "Nisi", no strong physical evidence has been obtained except for some photographs and the collection of relevant indirect information. So, is there any monster in Loch Ness? If anything, what exactly is this monster? These are still unsolved mysteries.
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