Ancient citadel by | Jan 21, 2023 | Uncategorized | 0 comments The Sơn Tây ancient citadel marked 200 years of its existence this year. This citadel was built for defence purpose under the Nguyễn Dynasty which was the only citadel in the country made from laterite, unique local material. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name Email Website Save my name, email, and website in this browser for the next time I comment.