Bathyscaphe Trieste
On 23 January 1960, she reached the ocean floor in the Challenger Deep (the deepest southern part of the Mariana Trench), carrying Jacques Piccard and Don Walsh. This was the first time a vessel, manned or unmanned, had reached the deepest known point of the Earth's oceans. The onboard systems indicated a depth of , although this was revised later to ; fairly recently, more accurate measurements have found Challenger Deep to be between and deep.
Rebecca Lee (explorer)
Rebecca Lee Lok Sze, MH (Traditional Chinese: 李樂詩, born 1944 in Canton) is an explorer from Hong Kong. She is the first Hong Kong person and the first woman to have visited the North Pole, the South Pole, and Mount Everest. She has visited the Yarlung Tsangpo Canyon (the deepest canyon in China) and the Taklamakan (the hottest desert in China).