Su Ci glanced at Li Lianhua and gave him a meaningful look.
Li Lianhua rubbed his nose and prompted, "Do you remember when we stayed at the Ghost City in the desert? When was it that we heard the 'woo-woo' sound?"
Prompted thus by Li Lianhua, Guoguo immediately understood. "I know, Father. It's the wind. Every time the wind blows, you can hear a 'woo-woo' sound in the Ghost City, just like someone crying. That's why the locals say there are ghosts there."
Chapter 444