Two pairs of bridegrooms and brides exchange pledges of keepsake and embrace, during a collective wedding on the title of Love at Grassroot and Affection Devoted at Yaozhuang Village, in which 18 pairs of graduates-turned-village cadres swear in their matrimony, on the Peach Blossom Island in Yaozhuang Town, Jiashan County, east China's Zhejiang Province, March 28, 2010. [Xinhua]