喜欢含鸡睡的体育生

Nongsang Guku, Nongsang Guku's predecessor, Nongsang Sicheng, spent so much energy and time to draw the topographic map of Langya County, the ultimate goal was for Nongsang Guku. But how can we determine Nong Sang Ku Ku? Simply drawing a topographic map is definitely not enough....