As far of places to visit on a Sunday evening, this dark corner might not be everyone’s first choice for entertainment or a quiet, cosy drink. But tucked away in Tontine Street, Folkestone, is a new establishment which might well change the way the people of Kent view the art of the dive bar. Headed up by Nathan Roberts, who some might recognise from popular food joint That Burger on the ever-growing Harbour Arm, Blackmarket takes inspiration from similar places in New York and the rest of the USA. It’s not a particularly big venue – by my count, there are only about 30 seats – but what it lac…