The biggest danger is a sudden immersion in icy water, which can trigger a "cold shock response” and drown someone in seconds ...

Already, our tour is proving to be an adventure.Over the next four days we will be paddling through the Yasawas, an 85-kilometre chain of volcanic islands and atolls in the north-western part of Fiji.

Four college students are currently planning an 85 day, 1,200 mile canoe trip from Lake Superior to Hudson Bay.