Introduction to the ground sculptures: At the entrance of the entire park, the "three platforms" built by Cao Cao when he was stationed in Yanling to cultivate the fields are reproduced in the form of ground sculptures - the discussion platform, the Wangtian platform and the military viewing platform, and there are "six camps" (Military Reclamation) The overall layout of the "Eighteen Tuns" (Civil Reclamation), and displays the contents of the "Order for the Settlement of Farming", the proposers and implementers of the farming system, as well as related systems and official titles.