The Corner Tower Of The Forbidden City - Corner Towers Of The Forbidden City Were Established In 1420, Rebuilt In The Qing Dynasty (1644-1911). As One Part Of The Forbidden City, They Served As The Defense Facility Just As The Lofty Walls, The Gate Towers And The Moat. The Corner Towers Rest On The Base With Buddist-style Building Surrounded With Stone Columns. Photo Take On: Apr 18, 2011 Photo