From Ho Chi Minh City to Hanoi, the train of Reunification carries Emmanuelle Han on a 1,726 kilometer voyage. She discovers a country as modern as it is rural -oscillating between the desire for openness and an attachment to traditions. Today, 50% of the population is younger than 25 years old and didn't live through the tragic events of their country’s history. As Hanoi, the country’s capital, celebrates its Millennial Anniversary, what are the concerns of a society where young people represent such a large proportion of the population ?