Events Tweet by @SheffieldBID Published Aug. 19 2022 01:22 PM We don't know who (or what!) left these footprints outside 'Explorer Central' this morning 🤔 Any ideas? #SheffieldBricktropolis https://t.co/nDMWKlgcxm, — Sheffield BID (@SheffieldBID) August 19, 2022 12:22