Serpentine Gallery is one of London’s best-loved galleries for modern and contemporary art. Its Exhibition, Architecture, Education and Public Programmes attract approximately 750,000 visitors a year and admission is free. In the grounds of the Gallery is a permanent work by artist and poet Ian Hamilton Finlay, dedicated to the Serpentine’s former Patron Diana, Princess of Wales. The work comprises eight benches, a tree-plaque, and a carved stone circle at the Gallery’s entrance.