Mara Bernstein teaches the finer points of playing mahjong in Manhattan's Chinatown on Sunday as part of the Egg Rolls & Egg Cream festival celebrating the Chinese and Jewish cultures. Organized by the Museum at Eldridge Street, the event this year included the Puerto Rican community of the neighborhood as well. People enjoyed Chinese opera, salsa music, Yiddish lessons, and egg rolls and egg creams. [Photo by Han Meng / For China Daily]