History, Random Facts, Interesting, Inventions, Daily FactsCuriousOneMay 13, 2019Storing, Verified, Desert, Middle, staycurious, Persian, Summer, Facts, Technique, Engineers, Fact, MasteredComment By 400 BC, Persian engineers had mastered the technique of storing ice in the middle of summer in the desert History, Random Facts, Interesting, Inventions, Daily FactsCuriousOneMay 13, 2019Storing, Verified, Desert, Middle, staycurious, Persian, Summer, Facts, Technique, Engineers, Fact, MasteredComment
