China Citywalk on Instagram: "**Location:** Lianzhou City, Qingyuan, Guangdong Province, China **Highlights:** National AAAAA Scenic Area | Karst Cave System | Underground Boat Ride | Stunning Stalactite Formations ## A Hidden World Beneath the Mountains Lianzhou Underground River is one of southern China’s most spectacular natural wonders. Nestled in the karst landscape of northern Guangdong, this massive subterranean cave system stretches over 1,860 meters, featuring three distinct layers: an