nhk world's mishiko nishikawa reports. ♪ >> reporter: a japanese choir sang south africa's national anthemt the united nations university in tokyo on wednesday. about 300 people gathered to bid farewell to nelson mandela. he inspired the entire world through his struggle for justice, freedom, and reconciliation. mandela was known for being a strong advocate for protecting the lives and rights of children. as children from south africa read out his quotes, participants recalled his thoughtful manner. >> no one is born hating another person because of the color of his skin or his background or his religion. >> children, the most vulnerable children in any society, a life free from violence and fear. nelson mandela. >> reporter: people from all walks of life took part, including government officials and diplomats. japanese foreign minister kishida said he admired mandela for his lifelong work to pursue universal values of freedom and equality. south african ambassador said each person can help fill the empty space left by the great leader by having the courage to fight for human dignity. >> t