Tran To Nga, a Vietnamese French woman, against multinational companies for producing and selling chemical toxins sprayed by US forces in the war in Vietnam, is being held in Ho Chi Minh City from May 8-13. The event is jointly organised by the Tre (Youth) Publishing House, Tuoi Tre (Youth) Newspaper and Duong Sach Co., Ltd. in HCM City. On display are over 100 documents, photos, illustrations selected from the documents of newspapers, witnesses, researches, and the War Remnants Museum, which depict the entire information and statistics on long-term effects of AO/dioxin on humans, nature, and the environment. Many images help visitors understand more about the AO