The Wales Millennium Centre, a pivotal cultural venue in Cardiff, celebrates its 20th anniversary on November 26, 2024. Opening its doors in 2004, the Centre has become a platform for world-class performances by artists like Michael Ball and Sir Tom Jones. Architect Jonathan Adams reflects on its unique design, inspired by Welsh landscapes, which has made it a beloved landmark. The building is also known for its poetic inscription, ‘In These Stones, Horizons Sing,’ capturing the essence of Welsh culture and creativity.