HomePingxiang Tours & TicketsSearch ResultsOne-day tour to Liancheng Fortress Ruins and Youyiguan (Zhenguan Fort) in Lang Son City, Vietnam [Apply with ID card! Lang Son Flag Tower + Sam Thanh Cave + Lang Son Catholic Church]
One-day tour to Liancheng Fortress Ruins and Youyiguan (Zhenguan Fort) in Lang Son City, Vietnam [Apply with ID card! Lang Son Flag Tower + Sam Thanh Cave + Lang Son Catholic Church]