NooneissurehowtheancientEgyptiansbuiltthepyramidsnearCa...
問題詳情：NooneissurehowtheancientEgyptiansbuiltthepyramidsnearCairo.Butanewstudysuggeststheyusedalittlerock‘n’roll.Long-agobuilderscouldhaveattachedwoodenpolestothestonesandrolledthemacrossthesand,th...