China Teday. China's Foreign Affairs and Intemational Relations 4s Henry Kissinger, shown here with Zhou Enlai and Mao Zedong made two secret trips to the prc in 1971 before nixons groundbreaking visit in 1972 School of politics and International relations 2013/4/12❖ Henry Kissinger, shown here with Zhou Enlai and Mao Zedong, made two secret trips to the PRC in 1971 before Nixon’s groundbreaking visit in 1972