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we do not have the technology to go to the bottom of the Marianas Trench. Except we reached it four times since 1960 : https://en.wikipedia.org/wiki/Mariana_T

by jylam 9y ago

we do not have the technology to go to the bottom of the Marianas Trench. Except we reached it four times since 1960 : https://en.wikipedia.org/wiki/Mariana_Trench#Descents https://en.wikipedia.org/wiki/Mariana_Trench#Descents