Tours of one of Philly’s most culturally rich neighborhoods, Chinatown, are going on until Feb. 24 at 1:30 p.m. every other Sunday. Reservations are required. The tours begin outside of AIA Bookstore, located at 1218 Arch St., and last approximately two and a half hours. The tour is free, however the recommended amount of money to bring is $7-$10 in cash, for food. Sample foods on the tour include moon cakes, ginger tea, soup dumplings, Hong Kong, egg waffles and many more.