Going for dinner at a department store might not sounds enticing. But Harrods isn't any old department store. Nestled on the 5th floor of the maze-like Knightsbridge shopping spot is Chai Wu, a Chinese restaurant serving up a range of fusion-style treats to fuel a hard day of spending. It was 7pm on a Friday night and I'd set a date there with an old school friend who I hadn't seen for a number of years. We'd had a hard day at work, not spending unfortunately, but we were in need of pepping up nonetheless. Walking into Chai Wu you're instantly transported away from the madness o...