Whose tomb is Longling Cave?

Ji Chang, Zhou Wenwang, Western Zhou Dynasty. The tomb owner of Longling Grottoes is Ji Chang, a native of Zhou Wenwang in the Western Zhou Dynasty. In the TV drama plot, the ancient tomb in the cave has two floors. The upper floor is the Tang tomb reconstructed by Feng Shui master Li of the Tang Dynasty, which is empty to cover up the real existence of the ancient tomb below. The lower floor is the tomb of the ancient Western Zhou Dynasty, and the coffins are connected by hanging soul ladders.