PARIS, FRANCE-OCTOBER 19: Tribute ceremony for Hmongs fighters at Arc de Triomphe on October 19, 2019 in Paris, France.The Hmong are a Southeast Asian people from the mountains that have been persecuted for 40 years by Laos and Vietnam gouvernements. It was the Vietnam war that broken their isolation. After having fought for their freedom with the French Army in 1950 and American in 1970 many Hmongs are today refugees in French Guyana and in the USA.(Photo by Patrick Aventurier/ABACAPRESS.COM)