This poem was translated into Vietnamese by a group of postgraduate engineering students at ENSSAT (Ecole Nationale des Sciences Appliquées et de Technologie, (www.enssat.fr). So many thanks to Duong Thanh Nga, Ngo Minh Nguyet, Nguyen Thi Nga, Le Quang Trung, Nguyen Quoc Thai et Nguyen Thai Son. We would also like to extend our most grateful thanks to Mr.Nguyen Xuân Tuê for his help in translating this poem and to the Armor-Vietnam Society (www.armor-vietnam.com).