Ib qho loj heev 4,000-xyoo-laus monolith sib cais nrog laser zoo li precision
Lub pob zeb loj, nyob hauv Saudi Arabia, tau muab faib ua ib nrab nrog qhov tseeb heev thiab muaj cov cim xav paub piav qhia ntawm nws qhov chaw, ntxiv rau, ob lub pob zeb faib tau tswj hwm…