Victor Vescovo descended almost 11km (seven miles) to the deepest place in the ocean - the Pacific Ocean's Mariana Trench.
The Challenger Deep is located in the Pacific Ocean, halfway between Japan and Papua New Guinea, in the Mariana Trench, the deepest natural trench on the planet.
Vescovo's solo dive was punctuated by 248 minutes spent on the bottom exploring the basin, which the expedition team said "is now the longest period of time ever spent on the bottom of the ocean by an individual".
However, Stephanie Fitzeherbert, a spokeswoman for Vescovo's team says that can't be confirmed. It's only fair to assume that undiscovered species and evolution taking its course will unearth new deep-sea life forms in dives like Five Deeps'.
Sea creatures swim around part of a submersible lander, illuminated by the light of the submarine DSV Limiting Factor on the floor of the Mariana Trench, in a still image from video released by the Discovery Channel. The mission is to create sonar mapping at the Earth's deepest points, including Atlantic Ocean's Puerto Rico Trench, the South Atlantic's South Sandwich Trench, the Java Trench in the Indian Ocean and the Molloy Deep in the Arctic Ocean.
The dive marks the fourth historic dive made by the Five Deeps Expedition following successful dives to the deepest points of the Atlantic Ocean and Southern Ocean. Two of the dives, including the deepest one made on 28 April, were solo dives piloted by Vescovo.
The American businessman descended 35,853 feet (10,928 meters) to the bottom of the Challenger Deep, the deepest known point in the world's oceans.
The team of the Five Deeps Expedition that Vescovo's voyage was a part of, said its scientists were going to perform tests on the creatures found to determine the percentage of plastics found in them.
In the May/June issue of Hydro International we'll publish an article about the Five Deeps Expedition.
Many were shocked by the fact that plastic has reached the Mariana trench, which is the bottom of the ocean.
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