Hundreds of people will get the chance to become a work of art on Trafalgar Square's fourth plinth later this year.
More than 2,400 people are needed to stand on the plinth over 100 days as part of Antony Gormley's living artwork, The One and Other.
Gormley said he hoped the whole of the UK would be represented.
He said: "It is about putting the living body in place of a statue and learning how people feel being that alone in such a public place."
The One and Other will see volunteers occupy the plinth for one hour at a time later this year.
Turner Prize-winner Gormley announced the registration process in central London. Read full story here....