In the game "Three Kingdoms Total War", Yuan Shaojun needed to recruit catapults in the cities and buildings. The following are some cities and buildings that need to recruit catapults: 1. Wuchao (U-shaped city): Wuchao was one of Yuan Shao's main fortresses and an important place to recruit catapults. In Wuchao City, the location of the catapult training ground and warehouse was very important and needed to be carefully selected. 2. Guandu: Guandu was the location of the decisive battle between Yuan Shao and Cao Cao. It was also an important place for the use of catapults. In Guandu City, a catapult manufacturing factory and training ground were required. 3 Red Cliff: Red Cliff was one of the most famous battles during the Three Kingdoms period and an important place to use catapults. In Red Cliff City, a catapult warehouse and training ground were required. It should be noted that the use of the catapult requires a certain amount of military strength and strategy. Players need to constantly learn and try in the game to effectively use the advantages of the catapult to resist the opponent's attack.