Video footage taken on June 28 showed human bodies andmotorcycles from the ferry at a depth of 450 metres.
The ferry sank on June 18 as it was sailing from Samosir, avolcanic island in the middle of Lake Toba to Parapat town. Three died in theaccident while 193 are missing, including children. Only 18 passengers wererescued. Most of the passengers were holidaymakers enjoying the country's12-day-long Eid al-Fitr holiday.
The boat carried the number of passengers five times morethan its capacity, along with dozens of motorcycles, officials said.
Spreading an area of nearly 1,200 sq.km, the touristattraction of Lake Toba has depth up to 500m.
The accident is said to be one of the worst waterwaytragedies in Indonesia, where ferry accidents are common as the country is anarchipelago of more than 17,000 islands.
Traditional vessels like the one in the Lake Toba disasterare often packed beyond capacity and lacking safety equipment. -VNA