🇦↔🇧

#nations #countries #cross-border #bilateral #flag border #inter-country

🇺🇳|🇺🇸

#international border #country border #political border #boundary line #nation line #flag border

🏳️|🏳️

#national border #country line #simple division #territory border #international boundary #basic partition #flag border

🇻🇳|🪦

#vietnam border #border fence #international border #flag border