although most of its participants are from the u.s. , students from countries such as the bahamas , canada , the people 's republic of china , india , ghana , japan , jamaica , mexico , and new zealand have also competed Competition in recent years .

on 2 june 2012 , allied air flight 111 , a boeing 727 cargo plane on a flight from lagos , nigeria , crashed Catastrophe on landing Arriving at the kotoka international airport in accra , ghana , killing Killing twelve people on the ground .