Most of the time, when we talk about Indians, the first picture is that they are wearing battle crowns made of eagle feathers. But in fact, most Indian tribes never use such headgear. Perhaps one of the most famous Indian symbols, the feather war crown is definitely not the most commonly used Indian headdress, and certainly not the only one.

Warcrest is the most common Indian headdress in American western movies and TV dramas, which has almost become the symbol of Indians. But in the past, only about a dozen Plains Indian tribes actually wore these headdresses. These tribes are famous for their belligerence and bravery, such as Su, crow, black foot, Cheyenne… Their names often appear in films and books related to the Indian War. ian headdress

Source: @adan_ink05

Harmonica is a kind of small-scale wind instrument, which uses mouth to blow or inhale to make metal reed vibrate and sound. It belongs to free spring wind instrument in instrument classification. The sound source is a reed with a length of 1.5-3.5cm, not an air column (such as a flute).

Harmonica is mainly divided into solo harmonica and ensemble harmonica, each of which has different types. The range varies slightly according to the type and tonality. As a melodic instrument, harmonica can play at least two kinds of chords. High level musicians can play two relatively independent parts at the same time on the premise of following the structure of harmonica. Because of its small size, it is called “the piano in the pocket”.

Source: @alexduquettetattoos

Train refers to the vehicle running on the railway track, which is usually composed of multiple carriages. It is one of the important modern means of transportation for human beings.

The most important machine in human history, early called steam locomotive, has independent track running. According to the load, railway trains can be divided into freight cars and passenger cars. There are also mixed passenger and freight cars, but they will produce a lot of carbon dioxide and pollute the environment.

In the early days, the traditional train was composed of one to three locomotives pulling a number of carriages or carriages. Modern new trains have appeared multiple carriages with their own power. In Shanghai, there is a maglev train line from Longyang Road subway station to Shanghai Pudong International Airport.

Source: @alepsypeace

Running is defined as the use of foot movement by terrestrial animals. Its definition in motion is a kind of step, and the feet will not touch the ground at the same time. It can also be an aerobic exercise or anaerobic exercise.

Running is an ancient sport, because the feet will not touch the ground at the same time when running, running consumes more calories than fast walking. People who insist on long-distance running have about an hour every day to look directly into the distance, which is a good relaxation and rest for their eyes. If you have school-age children in your family, if you can let them keep running every day, the risk of myopia will certainly be reduced.

People who often sit in front of the computer have more or less problems with their cervical spine and shoulders. The correct running posture requires the back to be straight and relaxed. Long term adherence will greatly improve the discomfort of cervical spine and shoulders.

Source: @1920tattoozhub

Highway is a modern term. It is a public road that can run cars. Cars, bicycles, rickshaws, horses and many other means of transportation and pedestrians can walk. In the early days, there were no restrictions on roads, most of them were simple roads, and later different roads had different restrictions.

Due to the increasingly developed traffic, more and more restricted roads were used, especially some roads were specially used for cars (some urban roads were from prohibition of bicycles to prohibition of motorcycles), and the type of expressway was developed, which was specially used for the whole closed use of cars.

Source: @0230tattoo