Relatives of Chinese passengers onboard Malaysia Airlines Flight 370 hold a candlelight vigil for their loved ones at a hotel in Beijing, China, Tuesday, April 8, 2014. After a month of searching for ... more 
Relatives of Chinese passengers onboard Malaysia Airlines Flight 370 hold a candlelight vigil for their loved ones at a hotel in Beijing, China, Tuesday, April 8, 2014. After a month of searching for the missing Malaysia Flight 370, a faint pinging heard from deep beneath the Indian Ocean is being called the "most promising lead" yet, in the elusive search for the aircraft's "black boxes". (AP Photo/Alexander F. Yuan) less 
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Associated Press | Photo By Alexander F. Yuan
Mon, Apr 7, 2014 2:09 PM EDT