In Operation Sparkle 2000lbs of Litter Cleaned from City Centre Streets in Two-Day Big Spring Clean on Apr 15 2024 On 12 - 13 April, over 30 volunteers completed a ‘Big Spring Clean’ of Stoke-on-Trent City Centre (Hanley). Organised and delivered by Stoke-on-Trent City Centre Business Improvement District (BID).