Every British athlete heading across the Atlantic has been spending time in oxygen tents in order to combat the exhausting affects of fighting at altitude.
Martin Stamper Sleeps in Oxygen Tent!

Every British athlete heading across the Atlantic has been spending time in oxygen tents in order to combat the exhausting affects of fighting at altitude.
Every British athlete heading across the Atlantic has been spending time in oxygen tents in order to combat the exhausting affects of fighting at altitude.