The advantage of the mound fire is that it can be built on flat exposed rock or on an organic surface such as litter, duff or grass.
堆火的好处在于它既够在平整暴露的岩石地面进行，又可以在象干草落叶一样的有机物轮廓进行。
The advantage of the mound fire is that it can be built on flat exposed rock or on an organic surface such as litter, duff or grass.
堆火的好处在于它既够在平整暴露的岩石地面进行，又可以在象干草落叶一样的有机物轮廓进行。
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