Yisiphi isakhiwo esiphakeme kunazo zonke?
Isakhiwo esiphakeme kunazo zonke emhlabeni, ngokwazi kwami ngoSepthemba 2021, yiBurj Khalifa, etholakala eDubai, e-United Arab Emirates. IBurj Khalifa iphakeme ngamamitha angu-828 futhi inezitezi ezingu-163. Yaqedwa ngo-2010 futhi ibilokhu inesihloko sesakhiwo esiphakeme kunazo zonke emhlabeni kusukela yakhiwa.  Nokho, kuhlale kwakhiwa izakhiwo ezintsha emhlabeni wonke, ngakho kungenzeka ukuthi esinye isakhiwo singase sidlule ukuphakama kweBurj Khalifa esikhathini esizayo.