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Introduce the unsolved mystery of 10 world. Each article does not exceed 300 words.
The Mystery of Loch Ness Monster

Loch Ness is located in the Grand Canyon in the northern Scottish Plateau of England. It is 39 kilometers long and 2.4 kilometers wide. It's small, but it's deep. The average depth is 200 meters and the deepest point is 293 meters. The lake is not frozen all year round, with steep banks and dense forests. The earliest frog record about water monsters can be traced back to 565 AD. In the next ten centuries, there were more than 10,000 stories about the appearance of water monsters. But scientists at that time didn't miss it until1April, 934, when London doctor Wilson passed by Loch Ness, he accidentally discovered the water monster swimming in the lake. Wilson quickly took a picture of the monster with his camera. Although the picture is not very clear, it clearly shows the characteristics of the monster: long neck and flat head, which looks like a giant reptile plesiosaur that died out more than 70 million years ago.

The devil's hoofprint1855 On the evening of February 9, there was a heavy snow in Devon, England. The next morning, people found a mysterious hoofprint on the vast snowfield. Footprints are four inches long, two and three-quarters inches wide and eight inches in the middle. Everyone who has seen it says that it is definitely not the footprints of quadrupeds such as deer and cattle, but seems to be left by a split-toed hoofed animal that walks upright on two legs. Even more strangely, these hoofprint began to appear in the garden of Tonis parish, across the plain, across the field, over the roof, over the haystack, over the fence and go straight ahead. Nothing seems to be able to stop it. He walked through the county seat for more than 100 miles, and finally disappeared into the fields of Li Duhan.

The Mystery of spontaneous human combustion/KLOC-At the beginning of the 9th century, some people thought that this kind of disaster only befell those women who drank too much, were obese and lived alone. However, many cases later proved that the victims were of all ages, from infants to 1 14 years old, and many cases spontaneously ignited without a fire source. The so-called spontaneous human combustion phenomenon refers to the spontaneous fire of human body without contact with external kindling. As a rule, human organs, tissues and bones can only be burned to ashes in a high-pressure crematorium at 900- 1000 degrees Celsius. It is really incredible to burn by yourself.

Bermuda, Dead Zone Since the disappearance of the Avengers Fleet, the main basis of the authors' reports on the Bermuda Triangle is: the disappearance rate of the Bermuda Triangle is very high, surpassing other sea areas; All the disappearances occurred in or near the Bermuda Triangle. The weather was fine when the ship disappeared, and no distress signal was sent before the ship disappeared. After the accident, there were no traces and clues; There is a magnetic force in the triangle, which makes the compass fail. However, no magnetic field was found around. Analyzing the disappearance cases of Bermuda Triangle, there is no conclusive evidence to prove that it is a mysterious area. The answer is simple: all the missing ships and planes have sunk to the bottom of the sea, and the victims died of explosions, drowning and accidents. There is only one correct conclusion, that is, Bermuda Triangle is a "fictional mystery".

The arrangement of pyramids

The three pyramids standing on the golden desert have always been regarded by the ancient Egyptians as the steps to heaven. It has always been so mysterious that even the arrangement of the three pyramids has become the goal of people's research. The ancient Egyptians worshipped Orion, located next to the Milky Way, and thought that they were the abode of the dead Pharaoh in heaven. The pyramid is the residence of Pharaoh's body on earth ... They believe that after Pharaoh's death, his soul will reach Orion through the ascending passage in the pyramid. Scholars try to draw the relative positions of the Nile and the pyramids along the Nile one by one, and then compare them with the relative positions of the Milky Way and Orion. It was found that the ancient Egyptians planned to build a paradise on earth similar to Orion's paradise in the sky. This may be their purpose-an eternal paradise.

Terrible highway of death

On the highway in Idaho, there is a terrible rollover belt, which drivers call "Idaho Devil Triangle". When normal vehicles enter this area, they will be suddenly thrown into the air by a mysterious force that people can't see, and then thrown to the ground heavily, resulting in serious accidents in which vehicles are destroyed and people are killed. It is 430 kilometers from Lanzhou, China to Xinjiang Company. Not only are rollover accidents frequent, but the reasons for rollover are also mysterious. A good, normal car runs here at least a dozen times a year. As many as twenty or thirty. Although the driver took strict precautions, the accident continued. The Ministry of Communications has rebuilt this expressway many times, but it can't stop the frequent accidents, and the road to death is terrible.

Kennedy's assassination is an eternal secret. Since the assassination of President Lincoln on 1865, American presidents have been assassinated continuously. However, the background of the Kennedy shooting is particularly confusing. What puzzled the American public was that the murderer Lee Harvey Oswald was shot under the eyes of federal agents and kept silent in front of photographers. jack ruby, who shot and killed people, died mysteriously soon. Some people think that this is a coup plot planned by the CIA and the military hawks; What's more, some people associate Kennedy's death with Marilyn Monroe's suicide. After several years of investigation, the investigation Committee finally concluded that the shooting of Kennedy was Oswald's personal act and had no deeper political background. Once the conclusion was published, public opinion was in an uproar. With the passage of time, many parties have passed away, and the rest are in their twilight years. It seems that they want to take this mystery to the grave.

Solve the mystery of pigeons' identification of their way home

British researchers have recently solved the mystery that pigeons know their way: they just fly along the road. Zoologists at Oxford University have adopted the most advanced global positioning technology, and can track the flight trajectory of this bird with an error of 1 ~ 4m. Researchers in the Department of Zoology of Oxford University said that after more than 65,438+00 years of international research, it was really surprising to find that pigeons did not seem to rely on their innate instinct to tell directions, but flew according to the road system. As long as it flies once, the pigeon will fly back according to the familiar route, much like people driving or walking home after work. The researchers said: "Some people may think that this matter is trivial, but it is very important for us, because it will involve the memory structure of birds and what the map looks like in the eyes of birds."

Qin Gui is buried in this luxurious ancient tomb?

Excavation of high-standard Song tombs in Nanjing. Where was the traitor Qin Gui buried in the Southern Song Dynasty? However, this mystery is likely to be solved soon. On June 5438+0, Nanjing officials cleared a large Song Dynasty tomb in Jianzhong Village, Jiangning District. According to relevant information, the owner of the tomb may be Qin Gui. The reporter saw at the scene that the ancient tomb had been carried to the top and the soil around the tomb had been cleaned up. The reporter interviewed He, director of the Institute of Natural Heritage of Nanjing University. He said, 1986, the archaeologists of Nanjing Museum once found the tomb of Qin Gui family in Long Mu Town, Jiangning District. According to the system of ancient tombs, since the tombs of descendants are in Longmu Town, Qin Gui's tomb should also be in Longmu Town, and now the ancient tombs excavated by archaeology are all within the scope of Gumulong Town, with extremely high specifications. The brick age of this tomb is consistent with the death age of Qin Gui, and the owner of this tomb is probably Qin Gui.

Experts solve the mystery that Gou Jian's sword will not rust for two thousand years.

After thousands of experiments and overcoming the unimaginable difficulties of ordinary people, Xu Guangguo finally mastered the chemical composition of the oxide film in 2002, which revealed the mystery that Gou Jian's sword did not rust for more than 2,000 years. Subsequently, he explored the vulcanization technology and the casting method of precision pottery. At present, all three museums have issued collection certificates to Xu Guangguo. At the appraisal meeting held in Beijing, more than 10 bronze ware experts from the National Cultural Relics Appraisal Committee and the Palace Museum thought that Xu Guangguo's imitation "solved many mysteries about Gou Jian's sword casting, and was a rare artistic treasure", "with correct shape, exquisite gold, exquisite workmanship and wonderful fire method", which was of great significance to the study of the development of ancient Chinese bronze ware technology.