A gallery assistant looks at 'Improntas (Imprint)' by Teresa Margolles, one of six artworks shortlisted as the next design for the Fourth Plinth at Trafalgar Square, on display at London's National Gallery. Reuters
A gallery assistant looks at 'Improntas (Imprint)' by Teresa Margolles, one of six artworks shortlisted as the next design for the Fourth Plinth at Trafalgar Square, on display at London's National GaShow more

Shortlist announced for Trafalgar Square Fourth Plinth