Entertainment Tweet by @SheffCityHall Published Apr. 8 2021 02:02 PM Horizons. A 2021 Space Odyssey with Professor Brian Cox to take audiences on a dazzling cinematic journey and will be stopping off at the Sheffield Arena on Wednesday 20 October 2021More info & tickets 👉 https://t.co/fuzljBV8W5, — Sheffield City Hall (@SheffCityHall) April 08, 2021 13:02