Made of rammed earth and rubble, these fortifications became the basis for the Great Wall, most of which would be rebuilt in stone and brick during the 15th century A.D. under the Ming dynasty.
这些由夯土和瓦砾修筑的堡垒成了长城的基础。长城中的大部分用砖石砌成，在十五世纪的时候由明朝修建。
Why: Described as "the longest rammed earth wall in Australia," the 750-foot long structure was built to provide short-term accommodations for a cattle station during mustering season.
获奖理由：被形容为“澳大利亚最长的夯土墙”，这堵长达750英尺的墙在农忙季节充当(牧场工作人员的)短期租所。
Is a wall of rammed earth durable?
用干打垒建造的土墙结实吗？
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