Mus rau lub pyramids ntawm Giza hnub no, thiab koj yuav pom cov pa phem blackened steppes surrounded los ntawm smog thiab xuab zeb. Qee 4,000 xyoo dhau los, cov pyramids saib zoo dua: Lawv tau npog hauv polished limestone, zoo li lub teeb ci ntsa iab poob rau hauv cov suab puam saum ntuj.
Pob zeb dab tsi npog lub pyramids?
Around 5.5 lab tonnes ntawm limestone, 8, 000 tonnes ntawm granite (hla los ntawm Aswan, 800 km deb), thiab 500, 000 tonnes ntawm mortar tau siv los tsim lub Great Pyramid. Lub pob zeb muaj zog no tsim ib feem ntawm txheej txheej ntawm cov pob zeb dawb dawb uas yuav ua rau ob sab du.
Dab tsi yog cov pyramids loj npog nrog?
Thaum nws tau tsim tsa thawj zaug, nws cov txheej txheej nce mus txog qhov loj heev limestone blocks - uas niaj hnub no ua rau nws zoo li jagged me ntsis - tau muab zais los ntawm txheej du ntawm cov limestone zoo.
Lub pob zeb ntawm cov pyramids mus qhov twg?
Lub pob zeb tsuas yog los ntawm Great Pyramid ntawm Giza los tso rau txhua qhov chaw sab nraum Iyiv yog mus rau show in Edinburgh. Cov pob zeb loj loj ntawm cov pob zeb dawb dawb yuav mus tso rau ntawm National Museum of Scotland txij thaum Lub Ob Hlis 8. Nws yuav tshwm sim rau pej xeem thawj zaug txij li thaum nws tuaj rau Scotland xyoo 1872.
Yuav ua li cas rau cov limestone dawb ntawm pyramids?
Thaum cov pyramids tau pib ua tiav, lawv tau plated nyob rau hauv thiab txheej txheej ntawm dawb "casing pob zeb". … Feem ntau ntawm cov seemCov pob zeb tau hnav tam sim ntawd, yog loosened los ntawm av qeegthiab nws thiaj li tsim cov pob zeb tawg nyob ib ncig ntawm cov pyramids, uas tsis ntev los no tau raug tshem tawm.
