UFO. United States

Tethered flying machine heavier than air. Supported in the air by wind pressure on a surface set at an angle to the direction of movement of the wind and held by the guard rails from the ground. The first mention of kites are found in the II century BC in China (the so-called snake-dragon). At the moment there are many shapes and designs of kites.

There are also kites, equipped with LEDs. The forms that emerge LEDs can be different: echoing the shape of the kite to Supplement his picture or absolutely independent. Color, frequency and sequence of blinking LEDs is varied.

This version can refer to any observation in the contrast of an object on a solid background, both day and night.

Night it can be a light in a dark house, on the technique in a dark room, etc.

Day the color of the sky sometimes merge with the color of the surface of the Earth at the horizon level. While it may seem that the object on this piece, floating in the sky. It is clearly seen, for example, at the marine landscapes. This illusion may occur as in the photos (especially black and white) and by direct observation.

Photo editing began to be used almost immediately after the advent of photography techniques. They were divided into methods of photomontage without manipulation of the image after receiving the photo and retouching of the photo itself or its negative (plate, film, etc.)

Most often, this category can be attributed to the lights of a crane, high-rise buildings, boiler pipes, etc., equipped with nighttime lighting that is visible through the haze, fog, or when the color match between the support and the color of the surrounding space.

For unexplained may be taken accidentally or deliberately issued when shooting photos and video. A feature of the lights of a construction crane (in contrast to the street lights) is the movement of the boom, which is a light source.