National Geographic Student Expeditions 2012 Photo Contest

National Geographic Student Expeditions is running a photo contest for US high school students ages 14-19. Students submit a photo and short, 100-word statement that answers the question, “What does exploration mean to you?” Grand prize is airfare and a spot on the 2012 London Photography Workshop; second and third prizes are $250 and $100 National Geographic Store gift cards, respectively. Check this link for more details. Deadline for entries is March 31st, 2012.