Floating buoy used to spot bodies being carried awayUpdated: 2014-04-28 10:22:56 (KST)
Search teams say they'll use floating buoys in an attempt to stop bodies drifting away from the accident site.
The buoys will be used to detect various environmental factors such as the wind direction, speed, water temperature and water pressure to convey information in real time about the possible location of bodies that may have been carried away by strong sea currents.
Among the 188 bodies recovered so far, around 40 were found outside the vessel.
There's currently a net 13 kilometers long surrounding the site.
The search team is also expanding its operations to a 60 kilometer radius around the accident site.
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