Blownsand land in Houtian region consists of sand dunes , sandy blownouts , undulated sand sheet , vegetated sand mound and sandy river terraces .
厚田拙区的风沙化土地以风成沙丘、沙质风蚀坑、波状片状沙地、蔓荆子沙堆及河流沙质沉积阶地交错分布。
houtian