english: The Challenger Deep has been dived twice, once in 1960 and once in 2012 by James Cameron, and they went down and came back up and those were experimental craft.
non_english: The Challenger Deep, 1960 ve 2012 yıllarında James Cameron tarafından iki kez daldırıldı. Aşağı indi ve yukarı geri çıktı, bunlar deneysel gemilerdi.