By Alex Seabrook & Joe Smith Plans have been announced for the future of the UK’s saddest shopping mall, which has just one store left open. Once a bustling shopping district, St Catherine’s Place in Bedminster, south Bristol, has slowly lost every retailer over the past 20 years with only a solitary Farm Foods shop still left open. Empty streets and boarded-up shop fronts surround any curious visitors that venture inside the sad former shopping centre, while the only people there use seemingly it as a convenient shortcut into town. The main entrance to St Catherine’s Place is on East Street, …