The virtual reality is all the series of spaces and worlds (created by virtual simulation techniques) that seem to give the sensation of being real.
For years much it has been becoming very popular, being used at the present time in all type of activities like the publicity, the cinema or in all the different engineering specialties.
With this technique the spectator can, in trustworthy conditions every day but, to be transferred to a space near in virtual terms, although distant in question of distance/time.