Machangyuan Site, Minhe, Qinghai 青海民和马厂塬遗址Location: China, Qinghai, Minhe County, Haidong Google Maps AmapPart of: Stamps: Painted Pottery, National Key Cultural Relics Protection UnitNearby: Lanzhou 71km, Xining 99km, Shapotou 228km, Qinghai Lake 254kmThe Machangyuan site in Minhe, Qinghai, gives its name to the Machang type of the Majiayao culture, whose painted pottery often shows frog and meander patterns.