. >> reporter: shigeo hujiwara is also keenly aware of time's passage. her daughter, chie, was born with down's syndrome. doctors warned she might not live to the age of 3. but she had beat the odds. and this year, she turned 41. shigeo wanted to commemorate how far they had come together. >> translator: i was really nervous, but i think i did very well. >> translator: we want to come back in ten years. how about that? why don't we do this again when you turn 50? >> parent and child relationship is the bond, the building block for all future relationships. i think the world will be better off if we can take that bond, that relationship that we built on beginning, and create that to other relationships that we have. >> reporter: osborn is now advocating for the creation of an official celebration around the world. his photographs capture the joy and the laughter that transcend the bond between family members. takk aaki iwabu, nhk world. >>> hotel owners in japan are >>> how tell owners in japan are seeing more and more guests from abroad coming through th