What was in a royal tomb?
The reasons New Kingdom kings chose the East Valley of the Kings for their burials are unclear.
At the end of the New Kingdom, Egypt entered a period of political and economic decline.
Weeks, Kent R. Measurements of KV Royal Tomb Components. In: Richard H. Wilkinson and Kent R. Weeks (eds.). The Oxford Handbook of the Valley of the Kings. Oxford: Oxford University Press, 2016. Pp. 583-599.