📍 Address: Poxin Village, Sanmenhai Town, Fengshan County, Hechi City 🏞️ Features: Skylights: Seven beaded skylights, is the only "water reed flute rock" in the world, you can cross the skylight 1-3 by boat, feel the fantasy of "there is a sea in the mountains, there is a door in the sea". Karst Landform: Combining mountains, water, caves and sky, underground rivers, caves, Tiankeng groups and other resources are rich, known as "Karst World Geopark". "Itinerary Suggestions"⌚ Morning: After arriving, take a boat tour of Skylight 1-3 to take pictures of the skylight group and the scenery of Karst Lake. ⌚ Afternoon: Hiking, overlooking the panoramic view of Sanmen Sea, explore the skylight 4-6 (diving is required). ⌚ In the evening: stay in Fengshan County or B&Bs around Sanmenhai, taste Fengshan Tofu Round, Yuanjiayu and other delicacies. 🔎 TIPS: Tickets: Open time 08:00—18:00, tickets need to be reserved in advance. Cold knowledge: This is the world's largest water-swimming skylight group, travel blogger Fang Qi recommended the world's wonderland, there are doors on the sea, there is a sea in the mountains. Special meals: Yi patriarch table banquet contains bamboo tube chicken, oil tea.