Senior citizens make positive contributions to society stockbot 0 260 2021.10.02 04:03 http://vietnamnews.vn/society/1051365/senior-citizens-make-positive-co… + 10 https://vietnamnews.vn/rss/society.rss + 6 As we celebrate the International Day of Older Persons some senior citizens are proving age is just a number, and working can be fun and healthy.