The Gate to San Francsico's Chinatown on Grant Avenue at Bush Street. (Photo: Jason Margolis)

Gordin Chin, founder of the Chinatown Community Development Center, in the Chinatown alley where he grew up. (Photo: Jason Margolis)

Frank Wong, outside his family-owned R & G Lounge in Chinatown. First lady Michelle Obama recently ate here. (Photo: Jason Margolis)

The Gate to San Francsico's Chinatown on Grant Avenue at Bush Street. (Photo: Jason Margolis)

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