A ballerina, a lawyer poet and an artist in his underpants are among people who have applied to stand on Trafalgar Square's fourth plinth.
Artist Antony Gormley wants more than 2,400 people to stand on the central London plinth for one hour each, over 100 days from 6 July.
Westminster City Council has yet to grant planning permission for the project, entitled One and Other.
A project spokeswoman said organisers were following planning regulations.
Mr Gormley wants the whole of the UK to be represented in the work, which will enable volunteers to do whatever they like on the plinth as long as it is legal.
A selection of volunteers practised their routines in Trafalgar Square on Friday.
Broadcast building
So far 10,692 members of the public have volunteered via the One and Other website, with participants to be selected at random.
Applications will continue to be accepted after the project's planned start date, until 1 September.
A Westminster City Council spokesman said its planning committee was due to decide on 15 June whether to permit the project.
Organisers also want to erect a 10m (33ft) high temporary building in another corner of Trafalgar Square, to film people on the plinth for broadcast during the duration of the project.
The project spokeswoman said: "The project is going through the normal planning process and we are working with Westminster planning and licensing officers to comply with both planning and event management regulations."
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