The event, featuring hockey, a Dinosaur Extravaganza, tennis, and dance sessions, was graced by the Mayor of Welwyn Hatfield, Councillor Michal Seiwinak, Leader of the Council, Councillor Rose Grewal, and members of the Cabinet. Council hosts fun-filled day for local families (Image: BIG Summer Activity Day)The council's second free Activity Day will take place at King George V Playing Fields on Wednesday 5 August, followed by the final event in White Lion Square, Hatfield, on Wednesday 12 August. The activities are part of a borough-wide programme offering free and low-cost events. For a full calendar, visit one.welhat.gov.uk/bigsummer.