The image shows a nighttime scene with several people standing on a truck. The truck is equipped with a large banner that reads "CHIẾN ĐONG PHƯƠNG CHIẾN CÁC VI PHƯƠNG HÀ KHÁNH, VÀ TÁC KHÁNH CÁC VI PHƯƠNG HÀ KHÁNH." This suggests that the event being advertised is a military or governmental event involving various provinces and their respective authorities. The people on the truck appear to be part of the event's organization or participants. The setting appears to be outdoors, possibly in a public area, given the presence of the banner and the crowd.