The competition was awarded to the design team at Rangoon Institute of Technology (RIT), led by the young architect U Sun Oo, who envisaged an open pavilion based on traditional building forms and constructed mainly of wood. However, the plans were not implemented in this form. In 1983, the old memorial was the site of a bomb attack on South Korean President Chun Doo-hwan, who was about to lay a wreath there during a state visit. While the president survived the assassination attempt perpetrated by North Korean agents, 21 people died and 47 were injured. U Sun Oo was asked to revise his design for the mausoleum to ensure more security in the event of another attack. This included changes such as the removal of the roof.
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