Solution de système de sécurité et de surveillance MCCTV Actualités de CCTUNG — 4D

What is 4D? The addition of special effects to a theatrical presentation to create a “fourth dimension” – the sensation of tactile experience: scent, temperature, touch. Examples:Beetles tickle the legs of unsuspecting cinema-goers, the wing beat of a gigantic dragon breezes through the rows of seats and spiders descend from the ceiling.