Found in art galleries, train stations, on the street, and dangling in mid-air, pop-up shops are the ultimate solution for the busy people. They've become more than just a fad, especially when it comes to food. Busy travelers, local foodies and workaholics with little time to spare between meetings seek out pop-up restaurants to enjoy fine dining on small budgets. The best part about these pop-up restaurants? Not only is the food worthy of a game of hide-and-seek, they're a lot cheaper to set up and dine in than restaurants...