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Keywords from Image Description:
Flag of Shap Ngtsai. Reputedly the flag of the Chinese pirate Shatsai The characters say 'T'ien Hou Sheng Mu' Empress of Heaven Holy mother T'ien Hou was regarded as calmer of storms and protectoress of marine commerce fishermen and sailors The flag is painted with depiction of Zhang Daoling AD founder of Daoism as religion in China