However, a capable contractor to construct the passenger terminal, the most important package of the airport, has yet to be chosen. An excavator is operated at the construction site of the Long Thanh International Airport project in Dong Nai Province, southern Vietnam. Photo: Son Dinh / Tuoi Tre Using domestic capital to build the passenger terminal is unprecedented. An excavator is operated at the construction site of the Long Thanh International Airport project in Dong Nai Province, southern Vietnam. Photo: Son Dinh / Tuoi TreUsing domestic capital to build the passenger terminal is unprecedented.