Cheng Yuantao (R), 89, and his wife Jiang Shaoyun attend a grand ceremony celebrating their gold marriage (50 years) at the Daming Lake Scenic Area in Jinan, capital of East China's Shandong province, Oct 5, 2011. Ninety-nine pairs of senior couples celebrated their gold marriage on Wednesday, which is also the Double Ninth Festival, or Chongyang Festival. It is a traditional Chinese festival to pay respect to the seniors. (Xinhua/Xu Suhui)