These days, you can take a tour of world flavors without leaving central Austin. Foods from around the globe—India, Korea, Argentina, Vietnam, Japan, Italy, and more—are all cooked up inside the many trailers peppering the city streets. Why so many choices? For one thing, we’re talking Austin, a place of diversity and enterprise. Secondly, aficionados are leaning toward eating experimentally and casually. From the many, here are our faves.