📜 Group of 24 massive artificial sandstone caverns, discovered in 1992 after draining local ponds. 🔍 Their construction and purpose remain a complete mystery, dated to around 200 BCE. # Why Go 🗿 Witness ancient, mysterious hand-carved caves, some almost 100 feet deep. ❄️ Enjoy cool temperatures inside, around 20℃, ideal for hot days. ✨ Admire unique chisel marks, intricate layouts, and uniform architectural design. 📸 Great photo opportunities, especially in Cave No. 5. 🤔 Ponder one of the world's most intriguing archaeological enigmas. 🏞️ Visit a unique subterranean wonder in eastern China. # Why Avoid 💰 Ticket price considered high by some visitors. 🚶 Requires walking, some parts involve stairs. ❓ No historical records, tools, or purpose definitively identified. 🗺️ Located in a remote village, requires a trek. # Tips 🎬 Watch the video introduction for a better experience. 🚌 K8 bus from Longyou Urban and Rural Bus Hub, expect 30-40 min wait. 👀 Look for horse, fish, bird carvings in Cave No. 1 and lightning in Cave No. 2. 📍 Found at Fenghuang Hill, near the village of Shiyan Beicun on the Qu River. # Cost 💰 Adults 85 yuan # Hours 🕒 Daily, 8:00 AM–4:30 PM (admission ends 4:10 PM)