A delivery man hands over food order to another at a fence set up block traffic in Vung Tau, Vietnam, Monday, Sept. 13, 2021. The sign at right reads "No non-resident". The roadblocks and barricades make the streets of this southern Vietnamese city look like they did during the war that ended almost 50 years ago. But this time, the battle is being fought against the rampaging coronavirus.(AP Photo/Hau Dinh)