ZHENGZHOU, May 28 (Xinhua) Archaeologists have discovered a decarburization kiln dating back to the Warring States Period (475 B.C.-221 B.C.) in the Houduanw
World War II helicopters were used for troop transport, casualty evacuation, airborne command posts, search and/or rescue operations, and attacking ground targets. Let's take a look at some of them.
/PRNewswire/ The spring breeze is blowing, the clear water is south of the Yangtze River, and it is the time of the year to worship ancestors. The ancestor.
Throughout history, there were various ways and techniques used to crush adversaries' hopes, even before the first bullet was fired. Here are some of the psychological warfare tactics used in history.