Holographic projection technology is relatively mature, using a projector for projection, when using a holographic film, transparency 75%-80% transparency of a transparent film, when shooting a video using a green background or blue background to cut the image out, background filling black, after the late synthesis, can achieve a holographic feeling. A lëu bï ya tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka