... 4D cinema was developed based on the traditional 3D cinema and standard cinemas’ .4D cinema has high technology, prominent theme, ... on rise so, viewers used to experience shocks, falls , rain, scratch and other effects in some 3D cinemas, but with 4D cinema ... level 90%-95% Motion Index of the seats:Lifting up and down100mmFalling timeLess than 1 secondVibration frequency5HzThe load bearing of the ...