Hundreds of craftspeople from Tamale in Ghana put the artwork together. Ibrahim Mahama, Purple Hibiscus, 2023-24, Courtesy Ibrahim Mahama, Red Clay Tamale, Barbican Centre, London and White Cube.
Mr Shonibare, who created the artwork to remember Mr Oluwale, told the BBC: "I chose the symbol of the hibiscus as I saw the flower everywhere when I was growing up in Nigeria and it reminds me of ...