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在美国可谓无奇不有。亚利桑那东北部高原上,大批树干杂乱地倒在地上,这些“树木”犹如奇异的玛瑙色彩斑斓熠熠生辉。探险家早在1851年
It is amazing in the United States. Arizona's northeastern plateau, a large number of trunks fell to the ground messy, these “trees” like a strange agate colorful sparkling. Explorer as early as 1851