Photo taken on April 6 shows the scenery of Xiuba Ancient Castles. Xiuba Ancient Castles are located in Xiuba Village of Bahe Town, Gongbo'gyamda County, Nyingchi City, southwest China's Tibet Autonomous Region. To facilitate liaison between the troops and intensify military defense, these castles are built with a history of over 1600 years. They are made of stone and wood and they are hollow inside with no roof on top. [China Tibet News/Zhi Xinghua]

Photo taken on April 6 shows the scenery of Xiuba Ancient Castles. Xiuba Ancient Castles are located in Xiuba Village of Bahe Town, Gongbo'gyamda County, Nyingchi City, southwest China's Tibet Autonomous Region. To facilitate liaison between the troops and intensify military defense, these castles are built with a history of over 1600 years. They are made of stone and wood and they are hollow inside with no roof on top. [China Tibet News/Zhi Xinghua]

Photo taken on April 6 shows the scenery of Xiuba Ancient Castles. Xiuba Ancient Castles are located in Xiuba Village of Bahe Town, Gongbo'gyamda County, Nyingchi City, southwest China's Tibet Autonomous Region. To facilitate liaison between the troops and intensify military defense, these castles are built with a history of over 1600 years. They are made of stone and wood and they are hollow inside with no roof on top. [China Tibet News/Zhi Xinghua]