Family members of Chinese passengers aboard the missing Malaysia Airlines Flight MH370 held a candlelight prayer ceremony at the Beijing Lido Hotel on Tuesday for all those on board.
Ships off Australia listening for underwater signals from the black box of MH370 have not been able to relocate signals that were detected last weekend.
The hunt for the Malaysia Airlines jet has become the most expensive maritime search operation that China has been involved in, according to experts.
Chinese naval vessels on Tuesday expanded the search area in the Indian Ocean for the missing Malaysia Airlines plane in a bid to pick up suspicious pulse signals detected last week.
The search leader hunting for missing Malaysian flight MH370 said that no submersible onboard the Australian vessel "Ocean Shield" would be deployed unless the ship detects more credible signal.
A concentrated air and sea search was underway in the Indian Ocean after an Australian ship detected faint pings deep underwater.
Four Chinese ships and a British ship Monday continued the hunt for the missing flight MH370 in an expanded area in the South Indian Ocean, where a Chinese vessel had earlier picked up a pulse signal consistent with flight recorders.
For journalists covering the search for Malaysian Airlines Fflight MH370 it has been a long, drawn out affair.
Up to nine military planes, three civilian planes and 14 ships will assist in Monday's search for missing Malaysia Airlines flight MH370.
Chinese and Australian ships have picked up acoustic signals while searching for missing Malaysia Airlines Flight MH370 in the southern Indian Ocean.
Despite the progress being made, experts have warned that the search for Malaysia Airlines flight MH370 will be a long process due to its complexity.
Three separate but fleeting sounds from deep in the Indian Ocean offered new hope over the weekend in the hunt for flight MH370.
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