Interesting pictures taken blogger, watchtowers Tibet, which survived until our time.
Apr. 4th, 2013 at 6:31 PM In Chinese Tibet Autonomous Prefecture is Rongzhag Danba area or its other name "Valley of thousands of stone castles." This area belongs to the indigenous people of Tibet. Tower built as watch towers and reaches a height of 35 meters. According to recent studies the age of the earliest built towers in 1700 BC