'Cause they are children, so we think they just picking thier nose.In fact, they try to reduce half C2O by using 1 of nostril for usual breathing.
Event children trying to heal the world from global warming situation. And we, adult people, we don't do anything.
Credit go to:
http://www.deviantart.com/deviation/38780935>>>>>>red shirt kid
http://www.rachaelboling.com/portfolio1.html#>>>>>> green shirt kid