Elderly couples attend a "golden marriage" ceremony in Jinan, capital of east China's Shandong Province, Oct. 9, 2016. A total of 99 elderly couples from Shandong attended a collective "golden marriage" ceremony here on Sunday to celebrate 50 years of marriage they have come through with each other, on the occasion of Chongyang Festival, China's day for the elderly. (Xinhua/Zhu Zheng)