• A 5,000-year-old chalk sculpture – described as “the most important piece of prehistoric art to be found in Britain in the last 100 years” – has gone on show at The British Museum as part of its The world of Stonehenge exhibition. The sculpture was unearthed by members of Allen Archaeology during a routine excavation on a country estate near the village of Burton Agnes in East Yorkshire in 2015. Uncovered alongside the burial of three children (it had been placed near the head of the eldest child and included three hastily added holes possibly to represent the children), the sculpture is decorated with elaborate motifs that the museum said “reaffirms a British and Irish artistic style that flourished at exactly the same time as Stonehenge was built”. The sculpture is similar to three barrel-shaped cylinders made of solid chalk – dubbed the ‘Folkton drums’ due to their shape – which have been in the museum’s collection since they were unearthed in the excavation of a child burial in North Yorkshire in 1889. It is thought the items are works of sculptural art rather than intended to serve a practical purpose and were perhaps intended as talismans to protect the children they accompanied. Radiocarbon dating of the Burton Agnes child’s bones identifies the burial as from 3005–2890 BC. The world of Stonehenge can be seen until 17th July. Admission charge applies. For more, see www.britishmuseum.org/stonehenge.

• Spanning 80 years and 50 countries, a new exhibition opening at the Tate Modern today takes an in-depth look at how Surrealism has inspired and united artists around the globe. Surrealism Beyond Borders, running at the Tate in partnership with New York’s Metropolitan Museum of Art, features more than 150 works ranging from painting and photography to sculpture and film, many of which have never been seen in the UK before. Among the highlights Cecilia Porras and Enrique Grau’s photographs, which defied the conservative social conventions of 1950s Colombia, and paintings by exiled Spanish artist Eugenio Granell, whose radical political commitments made him a target for censorship and persecution. There’s also iconic works such as Max Ernst’s Two Children are Threatened by a Nightingale (1924) and lesser known, but significant, pieces such as Antonio Berni’s Landru in the Hotel, Paris (1932), and Toshiko Okanoue’s Yobi-goe (The Call) (1954). Runs until 29th August in the Eyal Ofer Galleries. Admission charge applies. For more, see www.tate.org.uk/whats-on/tate-modern/exhibition/surrealism-beyond-borders.

• A “bold” new artwork by Nigerian-born artist, Victor Ehikhamenor, has gone on display in the crypt of St Paul’s Cathedral. The specially-commissioned mixed-media work is part of 50 Monuments in 50 Voices, a partnership between St Paul’s Cathedral and the Department of History of Art at the University of York which involves inviting contemporary artists, poets, musicians, theologians, performers and academics to respond to 50 historic monuments across the cathedral. Still Standing combines rosary beads and Benin bronze hip ornament masks to depict an Oba (King) of Benin and was made in response to a 1913 brass memorial panel commemorating Admiral Sir Harry Holdsworth Rawson (1843-1910) which is in the Nelson Chamber of the Cathedral’s Crypt. Rawson had a long career in the Royal Navy which culminated in his commanding the Benin Expedition of 1897. The work is on show until 14th May. Admission charge applies. For more, head to https://pantheons-st-pauls.york.ac.uk/50-monuments-in-50-voices/.

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