It was moved to Ruicheng in 1959 to preserve it when the Sanmenxia Dam was built, putting the town of Yongle, the previous location of the temple, under water.
It is speculated by modern historians that he rose to prominence by participating in the court politics and serving Yongle's concubines of Manchurian (Jurchen) origin.
Beginning with Yongle, thirteen Ming emperors were buried in the Ming Tombs of present-day Changping District.
Jinghai Temple (Temple of the Calm Sea) was built in 1416 by the Yongle emperor of Ming dynasty to honor Zhenghe who is not only a eunuch but also an envoy of the emperor.