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"Unfortunately the cost of the rent, and staffing costs, it just wouldn't be viable," said Mr Hunt. "I feel like it's a decision that's been forced upon us. "There is normally a rent increase annually - this one is quite big - and they haven't given an explanation of why we'd have to open all year round; perhaps it's because we are at the front." He did not rule out a return to the market - perhaps as a pop-up - and said stepping away was "very sad". "It's been a huge part of the business's history since the 1930s," he added. "There are a lot of memories of people being taken there as children, and then taking their children."