International team examines ancient stone tools in Vietnam and finds clues to ancient spice trade, including cinnamon from Sri Lanka and nutmeg from Indonesia.
Remnants of curry dating back 1,800 years found on stone tools in Southeast Asia is oldest outside India

RELATED ARTICLES
Hong Kong man arrested for allegedly driving school bus under influence of drugs
Tower of peace or sin? Why China demands that a Japanese wartime monument be demolished
AMD chief Lisa Su visits Lenovo in Beijing as US hints at easing chip curbs