Photos


In this Feb 21, 1972 file photo, U.S. President Richard M. Nixon, left, shakes hands with Chinese communist party leader Chairman Mao Zedong during Nixon’s groundbreaking trip to China, in Beijing. Forged in absolute secrecy at the height of the Cold War 30 years ago, the diplomatic ties established between the United States and China were meant to balance out the Soviet threat. (AP Photo/File)

Associated Press