Iyiphi indawo ephansi kunazo zonke emhlabeni?
I-Challenger Deep, etholakala entshonalanga yePacific Ocean iyindawo ejulile eyaziwayo phansi kolwandle eMhlabeni, enokujula okungu-10,902 -10,929 m noma 35,768 - 35,856 ft.