Survivors mark 1 year since Asiana crash

Published On: Jul 06 2013 05:42:04 PM CDT   Updated On: Jul 07 2014 09:50:09 AM CDT

Sunday marked the one-year anniversary since Asiana Airlines Boeing 777 bound from South Korea crashed upon landing at San Francisco International Airport.

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Exactly what caused the crash could take up to two years to determine, said Choi Jeong-ho, head of South Korea's Aviation Policy Bureau.

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