What are the most popular attractions in Korea?

Stubborn people have too strong personalities, and the strong ones can't listen to people's persuasion, and they insist on going their own way and respecting me. This is a weakness in character that can only be changed after a blow and being able to truly recognize it for yourself. But not necessarily, some stubbornness is a precedent attitude, for a little self-esteem. >>>More

The southern part of Chile is in the westerly wind belt, with a lot of precipitation, so the flow of the river is relatively large, and because of the high geographical latitude here, the Quaternary glaciers cover a wide area, and the development of modern glaciers, under the joint erosion of glaciers and rivers, the coast is seriously cut, and it becomes very curved, forming a lot of deep and long fjords. In addition, as the earth's crust gradually subsided, the lower saddles and foothills of the Cordillera were flooded, creating islands of various sizes, and the intrusion of the sea also turned the depressions of the central valley into shallow bays. >>>More

Hello! The causes of sinkholes are mostly divided into two kinds, most of them are collapse type (Guangxi Leye Tiankeng Group, etc.), and the rare one is erosion type (Chongqing Wulong Houping erosion Tiankeng Group, etc.) The formation of sinkholes must meet at least six conditions at the same time: First, the limestone layer should be thick. >>>More

Parkinson's disease mainly occurs in middle-aged and elderly people, and the onset of disease before the age of 40 is rare, suggesting that aging is related to the onset of the disease, and studies have found that since the age of 30, the activity of dopaminergic neurons in the substantia nigra, tyrosine oxidase and dopa decarboxylase, and the level of dopamine transmitters in the striatum gradually decrease with age, however, only a small number of elderly people suffer from this disease, indicating that physiological dopaminergic neuronal metamorphosis is not enough to cause disease, and aging is only a contributing factor for the onset of this disease. Parkinson's is not a single factor, and a variety of factors may be involved. Genetic factors can increase susceptibility to disease, and only under the interaction with environmental factors and aging, through the mechanism of oxygen stress, mitochondrial failure, calcium overload, excitatory amino acid toxicity, apoptosis, and immune abnormalities, a large number of dopaminergic neurons in the substantia nigra can be degenerated and lost. >>>More

Now this season is the peak of whitefly featuring, so the number is large, coupled with the recent rainy weather, the relative humidity of the air is high, which is more conducive to the reproduction of whitefly. >>>More