On September 27, Chinese think tank "South China Sea Strategic Situation Probing Initiative" released the Report on the Navigation and Overflight Situation in the South China Sea in Beijing. The report provides for the first time the panoramic view of navigation and overflight conditions in the South China Sea. How is the "freedom of navigation operation" of the U.S. different from the "freedom of navigation" under the international law? As a country outside the region, are U.S. operations "freedom of navigation" or "freedom of rampage"? Click the video for more.