The International Wine Challenge (IWC) is held in the Barbican. It's a remarkable construction, built on a site that had been bombed out in WWII, which then remained undeveloped for two decades, before plans were made for a residential development in the late 1950s. The design was approved in 1959, and the building work began in 1963, continuing through into the next decade.It's a striking sight, with the main feature being three rather tall towers. The rough concrete used to build the...