Relatives of Chinese passengers onboard Malaysia Airlines Flight 370 pray during a candlelight vigil for their loved ones at a hotel in Beijing, China, Tuesday, April 8, 2014. An Australian ship detected two distinct, long-lasting sounds underwater that are consistent with the pings from aircraft black boxes in a major break in the month long hunt for the missing Malaysia Airlines jet, the search coordinator said Monday, April 7, 2014. (AP Photo/Andy Wong), APTOPIX