What are the unsolved mysteries in the world?

Go out before dawn and come back at dark.

The top ten unsolved mysteries in the world listed by American magazines include the Korean passenger plane crash, Kennedy's death, Loch Ness monster, Egyptian ancient tombs, UFOs, spontaneous human combustion, miracles, ghosts, the shroud and the sinking of Titanic.

When we were young, we often liked to see some unsolved mysteries in the world, the Valley of Death. So, is there any similar place in the whole human history? From books and TV plays, we all know that Death Valley is horrible. There is no record yet. Why we can't get in and out is still a mystery, and some of them are just the guesses of some experts.

It is reported that at present, there are three death canyons left over from history. Which ones are they?

Three death valleys in the world: two of them are in China, and where is the other one?

Death Valley in Java.

Guawa Death Valley is located in Java, Indonesia. In the valley, there are six big trumpet-shaped caves. According to records, people and animals will be sucked in by a mysterious force as long as they are 6 to 7 meters away from the hole. Some explorers use instruments to detect the situation in caves. In the cave, there are bones everywhere, which is very strange. Therefore, the local government in Indonesia has banned anyone from approaching this valley for any reason. However, there are still many explorers who risk their lives to explore, and none of them are spared. Why are these six caves so mysterious and attractive? This mystery is still unsolved.

Kunlun mountains death valley.

Kunlun mountains death valley, located in Kunlun Mountain, Xinjiang, China, is a low-lying deep valley with enchanting wild flowers and overgrown weeds. There are swamps in the valley, animal bones everywhere, collapsed stone houses, barren hills and solitary graves, and you can feel the cold wind when you walk nearby. Although the grass here is lush, the shepherds nearby are still afraid to eat grass. According to the investigation of geological experts, there are obvious magnetic anomalies here, and lightning occurs at any time in the valley, cutting people and animals here.

Heizhugou is fascinated.

Heizhugou is fascinating, about 100 km southwest of Emei Mountain. There is a mysterious black bamboo ditch here, which explorers call the "Bermuda Triangle" on land. Most people who enter here will get lost in it and eventually starve to death. According to historical records, in 1950, an army of more than 30 people disappeared in Heizhugou. On June 24th, 199 1, a 24-person engineering team also mysteriously disappeared in Heizhugou. Nowadays, Heizhugou has been listed as a restricted area in the local area, and no one is allowed to enter or leave at will. According to the survey, Heizhugou and the world-famous Bermuda Triangle are in the same dimension. As for why, we don't know.