Students write on a placard carrying messages for the passengers of missing Malaysia Airlines flight MH370 at Kuala Lumpur International Airport (KLIA) in Sepang, outside Kuala Lumpur on March 19, 2014. The ice-cold trail for missing Malaysia Airlines flight 370 has spawned an expanding array of theories — from the sensible to the outlandish — as a fascinated public attempts to fill the information vacuum. AFP PHOTO / MOHD RASFAN