Nai Ngam Fish Balls is a local noodle shop on Khao San Road in Bangkok, next to a Patonggo cafe. It serves clear broth, tom yum, and yen ta fo, with chili powder added to the yen ta fo. A picture menu lets you choose noodles, broth, and fish balls, and the bowl comes topped with various fish balls and a piece of pork. There is no air conditioning, so you eat while sweating.