See who you can spot taking part in a teddy bear’s picnic or those who were in charge of running projects.
Want more Sheffield retro? Sheffield’s Winter Gardens in pictures
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5. Sheffield Hallam Operatic Society
Some of the cast from the Sheffield Hallam Operatic Society's production of Salad Days are seen dressed for the show in 1999 Photo: Waistell
6. Cash boost for gardens
Sheila Cooke, president of the Sheffield Caledonian Society, and friends of the Botanical Gardens, Sue Kohler, Joe Rowntree(curator) and Arroll Winning, pictured in the gardens in 1999 Photo: Roger Nadal
7. Getting creative
Sheffield Park Rangers and Wildlife Action Partnership organised a children's funday in 1999. Seen are children and parents taking part in the activities inside. Photo: Mike Waistell
8. Smiling George
George Williams, 7, at the funday organised by the Sheffield Park Rangers and Wildlife Action Partnership in 1999 Photo: Mike Waistell