In total, 16 men have lost their lives working on the dam.
They worked on the dam for the next hour or so.
Construction on the dam began in 2009 and all works are expected to be complete by 2018.
Construction on the dam began in 1994 after seven years of studies and planning.
Much of the preliminary work on the dam can still be seen today.
Soon there would be more weight on the dam than it was designed to take.
The world is beginning to change its views on large dams.
When construction began on the dam in 1956, hundreds of workers showed up looking for work.
Construction on the dam began soon after and was completed in 1971.
The works on the dam were completed some time after the war ended, in May 1996.