Bwana Vescovo yari mu nzira yatangijwe n'Umusuwisi w'umuhanga mu by'inyanja, Jacques Piccard, mu mwaka wa 1960 winjiye mu nda y'inyanja akagera kuri kilometero 10 hano muri Mariana Trench, n'Umunyamerika Don Walsh wamukurikiye.
