Ocean Explorers Grand Slam
Human-powered vessel adventurer goal
Ocean Explorers Grand Slam
The Ocean Explorers Grand Slam is an adventure goal to complete open-water crossings on all five oceans using human-powered vessels.
Read on Wikipedia · Image t is an image extracted from a composition of 4 images https://en.wikipedia.org/wiki/File:World_ocean_map.gif User:Quizimodo, based his work on online Java tool by Henry Bottomley and Image:Oceans.pn…, CC BY-SA 4.0
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