Watch Dunhuang - Ancient Frontier Fortress Season HD Full Free on solarmovie.do. Watch Dunhuang - Ancient Frontier Fortress tv series online free. 100 years ago, a chance discovery in one of the ancient sacred Caves of Magao in the middle of the G...100 years ago, a chance discovery in one of the ancient sacred Caves of Magao in the middle of the Gobi Desert brought to light an extraordinary collection of ancient scrolls that had been hidden from the world for 1000 years.