Trees are not only the scenery on both sides of the road, but also selflessly provide us with fresh air and nutrients. Tree tattoo reflects people’s interpretation of life, is a symbol of stability, tenacity, vitality and protection.

Family tree tattoo has a huge root system, thick trunk, lush and complicated branches and leaves, which means that this is a big family in one continuous line. The ring of trees is the mark of years. The change of age is just like the experience that time has given us.

Source: @artattacktattoonc

Fibonacci numbers in Fibonacci series often appear in front of our eyes – such as pinecones, pineapples, arrangement of leaves, petals of some flowers (typically Sunflower petals), honeycomb, dragonfly wings, golden rectangle, golden section, equiangular spiral, etc.

Fibonacci spiral, also known as “golden spiral”, is a spiral curve drawn according to Fibonacci sequence. There are many patterns of Fibonacci spiral in nature, which is the most perfect classic golden ratio in nature. The rule of drawing is to draw a 90 degree sector in a rectangle made up of squares with Fibonacci numbers as sides, and the connected arc is the Fibonacci spiral.

Source: @aeroquadros

Since ancient times, the majestic galaxy has been the object of observation and research. The ancients did not know what the Milky way was. They imagined the Milky way as a river in the sky. Europeans imagine that the Milky way is formed by the milk flowing from the feeding of babies by the God queen in the sky, and call it the milk road. That’s how the English word “Milky Way” came into being.

Beautiful fairy tales cannot replace accurate scientific explanations. What is the Milky way? After the invention of the telescope, this question got the right answer. In the early 17th century, Galileo, the great Italian scientist, pointed his telescope at the Milky way. He was surprised to find that the Milky way was originally formed by many, dense stars. Because these stars are so far away from us that the naked eye can’t distinguish them clearly. We regard them as a bright band of light.

Source: @0one_tattoo

The meaning of pine is strong, elegant and long life. Pine Tree has strong vitality and can grow vigorously in hot weather or cold season. The tall and straight posture of pine trees also has certain ornamental ability, which is suitable to be placed in the courtyard. The life span of pine trees is relatively long, which has the meaning of eternal green. It is suitable to be placed at home.

Pine Tree stands for the spirit of being strong and unyielding and not afraid to be defeated by difficulties. It is lonely, upright, simple and not afraid of cold. Evergreen, is a real strong.

Source: @0one_tattoo

Helicopters are widely used because of the advantages that many other aircrafts are difficult or impossible to do. Because they can take off and land vertically, they do not need large-area airports. They are mainly used for sightseeing, fire rescue, maritime first aid, anti smuggling and anti drug, fire control, business transportation, medical assistance, communication, spraying pesticides and insecticides, eliminating pests, detecting resources, etc All departments of the economy.

The number of helicopters in the world is growing. Armed helicopter: a helicopter equipped with weapons and carrying out combat tasks. Also known as attack helicopter or assault helicopter. It is mainly used to attack ground, surface and underwater targets, escort transport helicopters and conduct air combat with enemy helicopters. It has the characteristics of flexibility, quick response, suitable for low altitude and ultra-low altitude approach attack, and can fire in the state of movement and hovering. It is a new type of aircraft for direct fire support.

Source: @aarontattoos330