[attach id=311281 size="medium"]A copy of the 10-metre-high thumbs up that will take pride of place on the fourth plinth in Trafalgar Square, London, in 2016.[/attach]

A riderless horse and a 10-metre-high thumbs up are the latest works that will take their place on Trafalgar Square’s fourth plinth.

The horse, complete with an electronic ribbon tied to its leg displaying the latest live Stock Exchange prices, is by German artist Hans Haacke and will be unveiled next year.

David Shrigley’s bronze Really Good will be unveiled in 2016.

Haacke, whose work is based on an etching by artist George Stubbs, said he hoped it would fit in with the other more traditional sculptures in the square.

He said: “I hope the other two horses on Trafalgar Square, the one carrying Charles I, strutting, and the other, with George IV on its back, rather stoic, accept the newcomer graciously and recognise that their temporary companion has a lot to talk about.”

Lois Rowe, programme director of fine art at Wimbledon College of Art at the University of the Arts London, said the plinth had made a real difference to how people in the capital view art.

She said: “This is a very exciting thing for London and I think more globally other cities should be looking at the fourth plinth as leading in this way.”

Giant thumb slightly satirical but also serious at the same time

Shrigley, who was shortlisted for the 2013 Turner Prize but failed to win, said the success of his plinth design made up for that.

He said his work, which includes a giant out-stretched thumb, was “slightly satirical but also serious at the same time”.