two groups, good idea

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送交者: Guava 于 2008-06-16, 20:54:32:

回答: 刚穿越大峡谷回来。 花了13个小时从北岸走到南岸。 由 true 于 2008-06-16, 19:42:19:

I did south rim-bottom-south rim in 9 hours more 10 years ago. We didn't have 2 groups.


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