The built-in advertising of glistening slabs of barbecued pork, whole chickens marinating in soy sauce, and golden-reddish-brown ducks hanging in windows draw eaters into meat shops in many Chinese communities. Vancouver has one of North America’s oldest Chinatowns, but in 1975, in a racially motivated move, health inspectors in this Canadian city shut down several Chinatown businesses selling barbecued meats.