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Surviving the U-Boats - WW1 Uncut - BBC
http://www.bbc.co.uk/ww1 Dr Sam Willis jumps into a stormy sea survivial tank to understand better
Launched as a beta version in 2009, SafeShare has gained popularity as the safest way to watch and share YouTube and Vimeo videos, and is widely used all around the globe by educators so their students can watch educational material without the fear of inappropriate videos showing up.